Using Cc1c(CBr)cccc1C(F)(F)F, O=c1nc(C2CC2)[nH]c2nc(N3CCOCC3)sc12 to produce Cc1c(Cn2c(C3CC3)nc(=O)c3sc(N4CCOCC4)nc32)cccc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.