Using CC(C)S(=O)(=O)C[C@@H]1CN(C(=O)OC(C)(C)C)CC[C@@H]1N1CC[C@H](NC(=O)c2cccc(C(F)(F)F)c2)C1=O to produce CC(C)S(=O)(=O)C[C@@H]1CNCC[C@@H]1N1CC[C@H](NC(=O)c2cccc(C(F)(F)F)c2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.