Using O=C(Nc1ccc2[nH]nc(-c3ccc(F)cc3)c2c1)c1ccncc1 to produce Fc1ccc(-c2n[nH]c3ccc(NCc4ccncc4)cc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.