Using O=C1CC(c2ccccc2)Cc2[nH]c3c(c21)CCCC3, N=C(N)NN to produce N=C(N)NN=C1CC(c2ccccc2)Cc2[nH]c3c(c21)CCCC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.