Using NNC=O, C=CCNC(=O)c1c(Cl)c(Cl)cc2nc(OC)c(OC)nc12 to produce C=CCn1cnnc1-c1c(Cl)c(Cl)cc2nc(OC)c(OC)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.