[{"from": "human", "value": "Describe this molecule. [C][N][C][=Branch1][C][=O][C][=N][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][=C][C][=Branch2][Ring2][Ring1][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][N][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl][C][Branch1][C][F][Branch1][C][F][F][F]"}, {"from": "gpt", "value": "The molecule is an oral multi-kinase inhibitor that is used in the therapy of refractory metastatic colorectal cancer, hepatocellular carcinoma and gastrointestinal stromal tumor. Regorafenib has been associated with frequent serum aminotransferase elevations during therapy and with rare, but sometimes severe and even fatal instances of clinically apparent liver injury."}]