label: 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine + H2O = 2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine + hexadecanoate + H(+)
label_lc: 1-hexadecanoyl-2-(9z-octadecenoyl)-sn-glycero-3-phospho-l-serine + h2o = 2-(9z-octadecenoyl)-sn-glycero-3-phospho-l-serine + hexadecanoate + h(+)