Using COC(=O)C(Cc1ccc(OC)c(OC)c1)NC(=O)CC(c1ccccc1)c1ccccc1 to produce COc1ccc(CC(NC(=O)CC(c2ccccc2)c2ccccc2)C(=O)O)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.