Using [NH4+], CCOC(=O)c1[se]c(-c2ccccc2)cc1N=NN(C)C to produce CN(C)N=Nc1cc(-c2ccccc2)[se]c1C(N)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.