label: a 1-O-alkyl-2-acetyl-sn-glycero-3-phosphocholine + H2O <=> a 1-O-alkyl-2-acetyl-sn-glycerol + phosphocholine + H(+)
label_lc: a 1-o-alkyl-2-acetyl-sn-glycero-3-phosphocholine + h2o <=> a 1-o-alkyl-2-acetyl-sn-glycerol + phosphocholine + h(+)