[{"from": "human", "value": "What can you tell me about this molecule? [C][As][=Branch1][C][=O][Branch1][C][C][O]"}, {"from": "gpt", "value": "The molecule appears as a colorless, odorless crystalline solid. Melting point 195-196 \u00b0C. Toxic by ingestion and irritating to skin and eyes."}]