Using COc1cc2c(nc1OC)c(-c1cc3c(Cl)ccnc3n1S(=O)(=O)c1ccc(C)cc1)cn2C to produce COc1cc2c(nc1OC)c(-c1cc3c(Cl)ccnc3[nH]1)cn2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.