The molecule is a carotene that is beta,psi-carotene which has been been dehydrogenated to introduce an (E)-double bond at the 3'-4' position. It is a carotene and a polyene.
2-[(1E,3E,5E,7E,9E,11E,13E,15E,17E,19E,21E)-3,7,12,16,20,24-hexamethylpentacosa-1,3,5,7,9,11,13,15,17,19,21,23-dodecaenyl]-1,3,3-trimethylcyclohexene