Using O=C(N[C@@H](Cc1ccc(F)cc1)C(=O)O)c1cc2cc(Cl)ncc2[nH]1, NC(=O)C1CCCCN1 to produce NC(=O)C1CCCCN1C(=O)[C@H](Cc1ccc(F)cc1)NC(=O)c1cc2cc(Cl)ncc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.