[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is any substance that inhibits JAK2 tyrosine protein kinase, an enzyme that phosphorylates the hydroxyl group of tyrosine on various proteins in various signaling cascades."}, {"from": "gpt", "value": "[C][C][N][C][C][C][Ring1][=Branch1][N][C][=C][Branch1][Branch1][C][=N][Ring1][Branch1][C][=N][C][=C][Branch1][O][C][=C][C][=C][Ring1][=Branch1][N][=C][Ring1][#Branch2][C][=C][C][=Branch2][Ring1][Ring2][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][F][C][N][C][C][O][C][C][Ring1][=Branch1][F].[Cl].[Cl]"}]