Using CCCC(C)(C)c1ccc(C(=O)NCCc2cccc(C(F)(F)F)c2)cc1 to produce CCCC(C)(C)c1ccc(CNCCc2cccc(C(F)(F)F)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.