Using N=C(Nc1cccc(N)c1)N1CCCC1, O=C(Cl)c1ccccc1Cl to produce N=C(Nc1cccc(NC(=O)c2ccccc2Cl)c1)N1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.