Using CO[C@@](C(=O)OC1([C@H]2CCCCN2C(=O)OC(C)(C)C)CN(C(=O)OCc2ccccc2)C1)(c1ccccc1)C(F)(F)F to produce CC(C)(C)OC(=O)N1CCCC[C@@H]1C1(O)CN(C(=O)OCc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.