label: a 1-acyl-sn-glycero-3-phospholipid + a triacylglycerol => a glycerophospholipid + a 1,2-diacylglycerol
label_lc: a 1-acyl-sn-glycero-3-phospholipid + a triacylglycerol => a glycerophospholipid + a 1,2-diacylglycerol