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