Using COC(=O)[C@H](Cc1ccc(-c2ccc3ccccc3c2)cc1)NC(=O)c1cc2ccccc2cc1O, OCCc1ccc(Cl)cc1 to produce COC(=O)[C@H](Cc1ccc(OCCc2ccc(Cl)cc2)cc1)NC(=O)c1cc2ccccc2cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.