Using COC(=O)c1ccc(CNC(=O)c2[nH]c(-c3ccccc3)cc2-c2ccc(OC)cc2)cc1 to produce COc1ccc(-c2cc(-c3ccccc3)[nH]c2C(=O)NCc2ccc(C(=O)O)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.