Using CCn1c(C(C#N)=NO)nc2c(Cl)ncc(Br)c21, CCN(CC)CC to produce CCn1c(-c2nonc2N)nc2c(Cl)ncc(Br)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.