label: 1-O-acyl-N-(acetyl)-sphing-4-enine + 1-acyl-sn-glycero-3-phospho-(1'-sn-glycerol) => a 1,2-diacyl-sn-glycero-3-phospho-(1'-sn-glycerol) + N-(acetyl)-sphing-4-enine
label_lc: 1-o-acyl-n-(acetyl)-sphing-4-enine + 1-acyl-sn-glycero-3-phospho-(1'-sn-glycerol) => a 1,2-diacyl-sn-glycero-3-phospho-(1'-sn-glycerol) + n-(acetyl)-sphing-4-enine