Using O=C=Nc1ccc(OCc2nc(Cl)ccc2Cl)cc1, CNOC to produce CON(C)C(=O)Nc1ccc(OCc2nc(Cl)ccc2Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.