[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][N+1][Branch1][#Branch1][C][C][O][C][C][O][Branch1][#Branch1][C][C][O][C][C][O][C][C][O][C][C][O].[O-1][P][=Branch1][C][=O][Branch1][C][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is a quaternary ammonium salt found in numerous cosmetics. Its toxicity is due to its ability to act as a nitrosating agent, releasing potentially carcinogenic nitrosamines. (L1890)"}]