Using CC1=C2c3cccc(C(F)(F)F)c3C(=O)N2CCN1C(=O)OC(C)(C)C to produce CC1C2c3cccc(C(F)(F)F)c3C(=O)N2CCN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.