[{"from": "human", "value": "Describe this molecule. [C][N][Branch1][C][C][C][/C][=C][/C][=Branch1][C][=O][N][C][=C][Branch2][Ring1][S][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][=Branch1][=N][C][=N][Ring1][#Branch1][N][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][F][Cl][O][C@H1][C][C][O][C][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is a quinazoline compound having a 3-chloro-4-fluoroanilino group at the 4-position, a 4-dimethylamino-trans-but-2-enamido group at the 6-position, and an (S)-tetrahydrofuran-3-yloxy group at the 7-position. Used (as its dimaleate salt) for the first-line treatment of patients with metastatic non-small cell lung cancer. It has a role as a tyrosine kinase inhibitor and an antineoplastic agent. It is a member of quinazolines, a member of furans, an organofluorine compound, an enamide, an aromatic ether, a tertiary amino compound, a member of monochlorobenzenes and a secondary carboxamide."}]