Showing structure for (1s,2s)-2-[(2r,4z,6e,8s,9r,13r,15r,16r)-7-cyano-8,16-dihydroxy-9,11,13,15-tetramethyl-18-oxo-1-oxacyclooctadeca-4,6-dien-2-yl]cyclopentane-1-carboxylic acid