Using COC(=O)c1sc(-n2[nH]c(C)c(Cc3ccc(Cl)cc3)c2=O)nc1C to produce Cc1nc(-n2[nH]c(C)c(Cc3ccc(Cl)cc3)c2=O)sc1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.