1-nonadecanoyl-sn-glycero-3-phosphocholine + 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) = 1-nonadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + 1-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) — reaction