Using CCOC(=O)c1nn(-c2ccc(Cl)cc2)c(=O)cc1C(F)(F)F to produce O=c1cc(C(F)(F)F)cnn1-c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.