Using CC(=O)C1NC2(C(=O)Cc3ccccc3)C(=O)N(C(C(=O)OCc3ccccc3)=C(C)C)C2O1 to produce CC(=O)C1NC2(C(=O)Cc3ccccc3)C(=O)N(C(C(=O)O)=C(C)C)C2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.