Using COC(=O)/C=C/c1cc(C)c(-c2cc3ccc(C(=O)OCc4ccccc4)cc3[nH]2)c(C)c1 to produce COC(=O)CCc1cc(C)c(-c2cc3ccc(C(=O)O)cc3[nH]2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.