Using Clc1nc(N2CCOCC2)c2cccc(Br)c2n1, OB(O)c1ccc(F)nc1 to produce Fc1ccc(-c2cccc3c(N4CCOCC4)nc(Cl)nc23)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.