Using c1ccc(C2CC(c3csc(-c4ccncc4)n3)=NO2)cc1, BrCc1ccccc1 to produce C1=C(c2nc(C3=NOC(c4ccccc4)C3)cs2)CCN(Cc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.