Using C[C@@H](c1ccccc1)N(C(=O)C(F)(F)F)C1CCC2(CC1)OCCO2 to produce C[C@@H](c1ccccc1)N(C(=O)C(F)(F)F)C1CCC(=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.