Using CC(C)(C)OC(=O)N[C@H](C(=O)N1CC[C@H](F)C1)[C@H]1CCc2cc(-c3ccc(F)cc3)ccc21 to produce N[C@H](C(=O)N1CC[C@H](F)C1)[C@H]1CCc2cc(-c3ccc(F)cc3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.