label: 1-octadecanoyl-2-hexadecanoyl-sn-glycero-3-phosphocholine + H2O => 1-octadecanoyl-sn-glycero-3-phosphocholine + hexadecanoate + H(+)
label_lc: 1-octadecanoyl-2-hexadecanoyl-sn-glycero-3-phosphocholine + h2o => 1-octadecanoyl-sn-glycero-3-phosphocholine + hexadecanoate + h(+)