Using C[C@@H]1CC2(CC[C@H]1Nc1ncc(C#N)c3[nH]c4ccc(F)cc4c13)OCCO2 to produce C[C@@H]1CC(=O)CC[C@H]1Nc1ncc(C#N)c2[nH]c3ccc(F)cc3c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.