[{"from": "human", "value": "Provide a description of this molecule. [C][Si][Branch1][C][C][Branch1][C][C][N][Si][Branch1][C][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule appears as a liquid. May be toxic by ingestion. Irritates skin and eyes. Vapors are heavier than air. May emit highly toxic nitrogen oxide fumes when heated to decomposition. Used to make other chemicals."}]