[{"from": "human", "value": "Describe this molecule. [C][/C][=Branch1][Ring2][=C][\\C][=O][/C][=C][/C@][C@][Branch1][Ring2][O][Ring1][Ring1][Branch1][=C][C][C@H1][Branch1][=Branch2][C][C][Ring1][#Branch1][Branch1][C][C][C][O][C]"}, {"from": "gpt", "value": "The molecule is an apo carotenoid sesquiterpenoid that is xanthoxin in which the double bonds at positions 2 and 4 have E (trans) configuration. It has a role as a plant metabolite and a plant growth retardant. It is an enal, an apo carotenoid sesquiterpenoid and an epoxide."}]