label: a 1-O-alkyl-sn-glycero-3-phosphocholine + acetyl-CoA <=> a 1-O-alkyl-2-acetyl-sn-glycero-3-phosphocholine + CoA
label_lc: a 1-o-alkyl-sn-glycero-3-phosphocholine + acetyl-coa <=> a 1-o-alkyl-2-acetyl-sn-glycero-3-phosphocholine + coa