1,2-dihexanoyl-sn-glycero-3-phosphoethanolamine + 1,2-diheptanoyl-sn-glycero-3-phosphocholine = 1-heptanoyl-2-hexanoyl-sn-glycero-3-phosphoethanolamine + 1-hexanoyl-2-heptanoyl-sn-glycero-3-phosphocholine — reaction