SMILES: CC1=C(C(CCC1)(C)C)/C=C/C(=C/C=C/C(=C/C=C/C=C(\\C)/C=C/C=C(\\C)/C=C/C2=C(C(=O)CCC2(C)C)C)/C)/C
Description: The molecule is a carotenone that is beta-carotene in which the 4 position has undergone formal oxidation to afford the corresponding ketone. Isolated as orange-red crystals, it is widely distributed in marine invertebrates. It has a role as a bacterial metabolite, a marine metabolite, an animal metabolite and a cofactor. It derives from a hydride of a beta-carotene.