Showing structure for (4s)-4-[(1z)-2-[(2s,5s,9r)-1,3,5,7-tetramethyl-9-(3-oxopent-1-en-2-yl)bicyclo[3.3.1]nona-3,7-dien-2-yl]prop-1-en-1-yl]cyclopent-2-en-1-one