Using CC(C)(C)OC(=O)NC1CCN(Cc2cccc(C(F)(F)F)c2)CC1 to produce CNC1CCN(Cc2cccc(C(F)(F)F)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.