Using CC(C)NC(C)C, COC(=O)C(C)N1CCN(c2ccc(C(F)(F)F)cn2)CC1 to produce COC(=O)C(C)(C)N1CCN(c2ccc(C(F)(F)F)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.