[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][As][=C][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is that one of the three tautomers of arsole that has the double bonds at positions 1 and 4. It is a tautomer of a 2H-arsole and a 1H-arsole."}]