[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=N][C][=N][C][=C][Ring1][=Branch1][C][=C][Branch1][Ring2][N][Ring1][Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is a pyrrolo-pyrimidine epidermal growth factor receptor (EGFR) protein kinase inhibitor with anti-tumor activity. PKI-166 reversibly inhibits HER1 and HER2 tyrosine kinases, belong to the epidermal growth factor receptor family, thereby inhibiting tumor growth and metastasis."}]