Using COC(=O)Cc1ccc(O)c(NC(=O)C(F)(F)C(F)(F)C(F)(F)F)c1 to produce COC(=O)Cc1ccc2oc(C(F)(F)C(F)(F)C(F)(F)F)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.