Using CC(C)(C)OC(=O)N1CC(NC(=O)CNC(=O)c2cccc(C(F)(F)F)c2)C1 to produce O=C(CNC(=O)c1cccc(C(F)(F)F)c1)NC1CNC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.