Using O=C(Cl)c1ccccc1, CC(C)CN[C@@H](CCCCNC(=O)OCc1ccccc1)C(=O)O to produce CC(C)CN(C(=O)c1ccccc1)[C@@H](CCCCNC(=O)OCc1ccccc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.