Using CCNC(=O)[C@@H]1CCCN1C(=O)[C@H](C)N, O=C(Cl)c1ccccc1 to produce CCNC(=O)[C@@H]1CCCN1C(=O)[C@H](C)NC(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.