Using COC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)c1cc2ccccc2oc1=O to produce O=C(N[C@@H](Cc1c[nH]c2ccccc12)C(=O)O)c1cc2ccccc2oc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.