Using COC(=O)c1sc(-c2ccccc2)cc1N(C(=O)C1CCC(C)CC1NC(C)=O)C(C)C to produce CC(=O)NC1CC(C)CCC1C(=O)N(c1cc(-c2ccccc2)sc1C(=O)O)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.