label: cholesterol + phosphatidylcholine (lecithin) => cholesterol ester + 2-lysophosphatidylcholine (lysolecithin) (Rattus norvegicus)
label_lc: cholesterol + phosphatidylcholine (lecithin) => cholesterol ester + 2-lysophosphatidylcholine (lysolecithin) (rattus norvegicus)