Using CC(C)C(=O)Cl, Nc1ccc(C(=O)O)c(NC(=O)c2ccc(C(=O)O)cc2)c1 to produce CC(C)C(=O)Nc1ccc(C(=O)O)c(NC(=O)c2ccc(C(=O)O)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.