Using CCCO, O=[N+]([O-])c1ccc(Cl)c(-c2ccc(OC(F)(F)F)cc2)c1 to produce CCCOc1ccc([N+](=O)[O-])cc1-c1ccc(OC(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.