[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][Branch1][S][C][Branch1][=Branch2][C][C@@H1][Branch1][Ring2][C][Ring1][=Branch1][O][Branch1][C][C][C][/C][=C][/C][=Branch2][Ring2][P][=C][/C][=C][/C][=Branch2][Ring2][=Branch2][=C][/C][=C][/C][=C][Branch1][C][\\C][/C][=C][/C][=C][Branch1][C][\\C][/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][/C][/C]"}, {"from": "gpt", "value": "The molecule is an epoxycarotenol that is beta-carotene-3,3'-diol in which one of the one of the endocyclic double bonds has been oxidised to the corresponding epoxide. It is a neutral yellow plant pigment found in Euglenophyta. It has a role as a biological pigment, a plant metabolite and a marine metabolite."}]