Using COC(=O)[C@H](Cc1c[nH]cn1)NC(c1ccccc1)(c1ccccc1)c1ccccc1 to produce O=C(O)[C@H](Cc1c[nH]cn1)NC(c1ccccc1)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.