Using O=C(N[C@H]1CCN(c2cccc3ccc(-c4nnc5ccccn45)nc23)C[C@H]1F)OCc1ccccc1 to produce NC1CCN(c2cccc3ccc(-c4nnc5ccccn45)nc23)CC1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.