Using COC(=O)c1ccccc1NC=C1C(=O)Nc2ccc(S(=O)(=O)NC(C)C)cc21 to produce CC(C)NS(=O)(=O)c1ccc2c(c1)C(=CNc1ccccc1C(=O)O)C(=O)N2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.