label: an N-acyl-sphingoid base + a 1,2-diacyl-sn-glycero-3-phosphocholine = an N-(acyl)-sphingosylphosphocholine + a 1,2-diacyl-sn-glycerol
label_lc: an n-acyl-sphingoid base + a 1,2-diacyl-sn-glycero-3-phosphocholine = an n-(acyl)-sphingosylphosphocholine + a 1,2-diacyl-sn-glycerol