Using COC(=O)c1cccc(-n2cccc2/C=C/C(=O)OCc2ccccc2)c1 to produce COC(=O)c1cccc(-n2cccc2CCC(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.