Using CCOC(=O)c1cc(-c2csc(-c3cnccc3C(F)(F)F)n2)ccc1F to produce O=C(O)c1cc(-c2csc(-c3cnccc3C(F)(F)F)n2)ccc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.