Using CC1(C)OB(c2cc3nonc3cc2F)OC1(C)C, COC(=O)c1nc(Cl)nc(N)c1OC to produce COC(=O)c1nc(-c2cc3nonc3cc2F)nc(N)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.