Using CS(=O)(=O)OCC(F)(F)F, OC[C@@H]1CCCN1Cc1ccccc1 to produce FC(F)(F)COC[C@@H]1CCCN1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.