Using NN(C(=O)C=Cc1ccccc1)c1ccc2c(c1)OCO2, CC(=O)CCC(=O)O to produce Cc1c(CC(=O)O)c2cc3c(cc2n1C(=O)C=Cc1ccccc1)OCO3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.