Using O=C(Cl)OCC1c2ccccc2-c2ccccc21, CC[C@H](N)[C@@H](O)C(=O)O to produce CC[C@H](NC(=O)OCC1c2ccccc2-c2ccccc21)[C@@H](O)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.