Using COc1ccc([C@H](Sc2ccccc2N)[C@@H](O)C(=O)Nc2ccccc2)cc1 to produce COc1ccc([C@@H]2Sc3ccccc3NC(=O)[C@@H]2O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.