[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch2][=Branch1][Ring1][C][=Branch1][C][=O][N][Branch2][Ring2][P][C][=C][Branch1][Ring2][O][Ring1][#Branch1][C][=C][C][=Branch1][Ring2][=N][Ring1][#Branch1][N][C][=N][C][=Branch1][#Branch1][=N][C][=C][Ring1][=Branch1][F][N][C][=C][C][=Branch1][=C][=C][Branch1][=Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][O][C][O][C][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C]"}, {"from": "gpt", "value": "The molecule is an orally available small molecule inhibitor of spleen tyrosine kinase that is used to treat chronic immune thrombocytopenia. Fostamatinib is associated with transient and usually mild elevations in serum aminotransferase levels during therapy but has yet to be linked to instances of clinically apparent acute liver injury."}]