Using O=C(CC(=O)c1cccc(Cl)c1)c1cccc(Cl)c1, CNC(N)=O to produce Cn1c(-c2cccc(Cl)c2)cc(-c2cccc(Cl)c2)nc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.