Using COC(=O)[C@H](C)NC(=O)CN1C(=O)C(=Cc2ccc(OCc3ccccc3)c3ncccc23)c2ccccc21 to produce COC(=O)[C@H](C)NC(=O)CN1C(=O)C(=Cc2ccc(O)c3ncccc23)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.