Using COC(=O)[C@@H](Cc1ccccc1)NC(=O)OCc1ccc2oc(-c3ccccc3)nc2c1 to produce O=C(N[C@H](Cc1ccccc1)C(=O)O)OCc1ccc2oc(-c3ccccc3)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.