How to close a certain gas-phase reaction in CMAQ5.1?

Thanks a lot for your help. It works!

May I ask you a further question? I want to revise the stoichiometric coefficient of some gas-phase reactions. For example, the reaction in mech_cb6r3_ae7_aq.def is,
FORM = 2.0*HO2 + CO

Now, I want to change the stoichiometric coefficient, 2.0, to 0,
FORM = 0*HO2 + CO

how should I edit the code? I find there is a number set of SC in RXNS_DATA_MODULE.F90, but I dont know which one is related to the reaction R97? How should I revise the code? Please show some guidance to me.

./RXNS_DATA_MODULE.F90:! SC = Stoichiometric coefficients
./RXNS_DATA_MODULE.F90: REAL( 8 ) :: SC( NRXNS,MXPRD )
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 1 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 2 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 3 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 4 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 5 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 6 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 7 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 8 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 9 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 10 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 11 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 12 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 13 ), IRXXN = 1, NRXNS ) / &
./RXNS_DATA_MODULE.F90: DATA ( SC( IRXXN, 14 ), IRXXN = 1, NRXNS ) / &