preferred_name: N-hexadecanoyl-1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + 1-hexadecanoyl-sn-glycero-3-phosphocholine + H(+) => 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phosphoethanolamine + 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine