Using O=C(Cl)c1cccnc1, Nc1ccc(C(CC2CCCC2)C(=O)Nc2nccs2)cc1 to produce O=C(Nc1ccc(C(CC2CCCC2)C(=O)Nc2nccs2)cc1)c1cccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.