label: 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + an N-acylsphing-4-enine => an N-acylsphing-4-enine 1-phosphoethanolamine + 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol
label_lc: 1-hexadecanoyl-2-(9z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + an n-acylsphing-4-enine => an n-acylsphing-4-enine 1-phosphoethanolamine + 1-hexadecanoyl-2-(9z-octadecenoyl)-sn-glycerol