Using COC(=O)C=Cc1ccc(C(F)(F)F)nc1CCc1ccccc1 to produce O=C(O)C=Cc1ccc(C(F)(F)F)nc1CCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.