Using CCOC(=O)C(N=Nc1c(Cl)cc(C(F)(F)F)cc1Cl)C(=O)CCl to produce CCOC(=O)c1nn(-c2c(Cl)cc(C(F)(F)F)cc2Cl)cc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.