Using O=C1NC2(CCCCC2)NC12CCCCC2, O=C=Nc1ccc(Cl)cc1 to produce O=C(Nc1ccc(Cl)cc1)N1C(=O)C2(CCCCC2)NC12CCCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.