Using CCOC(=O)CS, CC(C=C(Cl)c1ccc(C(F)(F)F)cc1)=[N+](C)C to produce CCOC(=O)c1sc(-c2ccc(C(F)(F)F)cc2)cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.