Using CC(C)(C)OC(=O)NC(CO)C(=O)OCc1ccccc1, O=C(O)C(F)(F)S(=O)(=O)F to produce CC(C)(C)OC(=O)N[C@@H](COC(F)F)C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.