Using O=C(O)c1cn(-c2ccc(Cl)c(Cl)c2)cn1, O=C(n1ccnc1)n1ccnc1 to produce NC(=O)c1cn(-c2ccc(Cl)c(Cl)c2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.