[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][Branch2][Ring1][Ring2][C][=Branch1][C][=O][N][Branch1][Branch1][N][Ring1][=Branch1][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][Branch1][C][C][C]"}, {"from": "gpt", "value": "Small colorless crystals or white crystalline powder. Aqueous solution slightly alkaline to litmus. pH (5% water solution) 7.5-9. Odorless. Slightly bitter taste. "}]