Using OB(O)c1ccc(OCc2ccccc2)c(F)c1, Clc1ccc2[nH]ncc2c1Br to produce Fc1cc(-n2ncc3c(Br)c(Cl)ccc32)ccc1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.