Using COC(=O)c1ccnc(-c2c[nH]cn2)c1, BrC1Cc2ccccc2C1 to produce O=C(O)c1ccnc(-c2cn(C3Cc4ccccc4C3)cn2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.