Using CCc1cc(F)c2c(c1)[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]1NC2=O to produce CCc1cc(F)c2c(c1)[C@@H]1CNC[C@H]1NC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.