Using O=C(O)c1cnn(-c2cccc(Cl)c2)c1Cl, O=C(n1ccnc1)n1ccnc1 to produce CNC(=O)c1cnn(-c2cccc(Cl)c2)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.