Using [OH-], CC(=O)c1cc2c(cc1O)CCN(C(=O)C(F)(F)F)CC2C to produce CC(=O)c1cc2c(cc1O)CCN(C(=O)OC(C)(C)C)CC2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.