label: lipid IIB + a 2-acyl-sn-glycero-3-phosphocholine => lipid IIA + a 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphocholine
label_lc: lipid iib + a 2-acyl-sn-glycero-3-phosphocholine => lipid iia + a 1-hexadecanoyl-2-acyl-sn-glycero-3-phosphocholine