Using Cc1c([C@H]2CN3CCN(C(=O)OC(C)(C)C)C[C@@H]3CO2)ccc(F)c1C#N to produce Cc1c([C@H]2CN3CCNC[C@@H]3CO2)ccc(F)c1C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.