Using COc1ccnc(CSc2nc3cc(C(C)=O)c(C)cc3[nH]2)c1OC, O=C([O-])O to produce COc1ccnc(CS(=O)c2nc3cc(C(C)=O)c(C)cc3[nH]2)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.