[{"from": "human", "value": "What can you tell me about this molecule? [C][#Branch1][C][#N][Cl]"}, {"from": "gpt", "value": "The molecule appears as a colorless gas or liquid with a strong acrid/pungent odor. Boils at 60 \u00b0F. Liquid density 10.0 lb / gal. Shipped as a liquid confined under its own vapor pressure. A highly toxic lachrymator. Has been used as a tear gas. Vapor is heavier than air. Prolonged exposure of the container to fire or intense heat may cause violent rupturing and rocketing."}]