Using CCOC(=O)NNc1cc(-c2nn(C)c(OC(F)F)c2Cl)ccc1Cl to produce CCOC(=O)N=Nc1cc(-c2nn(C)c(OC(F)F)c2Cl)ccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.