Using CC(C)(C)OC(=O)N1CCCC(NC(=O)OCc2ccccc2)(C(F)(F)COS(C)(=O)=O)C1 to produce CC(C)(C)OC(=O)N1CCCC2(C1)N(C(=O)OCc1ccccc1)CC2(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.