[{"from": "human", "value": "What can you tell me about this molecule? [C][=Branch1][C][=N][Branch1][C][N][N][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a nitroguanidine and a one-carbon compound. It is a tautomer of a 2-nitroguanidine."}]