Using COC(=O)[C@H]1C[C@@H](Nc2ncc3cc(-c4c(Cl)c(OC)cc(OC)c4Cl)ccc3n2)[C@@H](N2C(=O)c3ccccc3C2=O)C1 to produce COC(=O)C1C[C@H](N)[C@H](Nc2ncc3cc(-c4c(Cl)c(OC)cc(OC)c4Cl)ccc3n2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.