[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][C][C][/C][=C][\\C][/C][=C][\\C][=C][\\C][=C][\\C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C][C][C][C][=Branch1][C][=O][O][O][S][C][C@@H1][Branch1][N][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a leukotriene synthesized from leukotriene C4 secreted by basophils via removal of a glutamic acid group by cell surface proteases. Leukotriene D4 (LTD4) induces the contraction of smooth muscle cells, which results in bronchoconstriction and vasoconstriction, and increases vascular permeability. LTD4  can be further cleaved by cell surface proteases that remove a glycine group to form leukotriene E4."}]