1-octadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphate + CoA => 1-octadecanoyl-sn-glycero-3-phosphate + (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl-CoA
1-octadecanoyl-2-(4z,7z,10z,13z,16z,19z-docosahexaenoyl)-sn-glycero-3-phosphate + coa => 1-octadecanoyl-sn-glycero-3-phosphate + (4z,7z,10z,13z,16z,19z)-docosahexaenoyl-coa