[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=C][Branch2][Ring2][N][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][N][Branch1][S][C][C][=C][Branch1][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a compound isolated from strains of Streptomyces griseolavendus that may exert antitumor activity by inhibition of protein tyrosine kinase and tubulin polymerization. (NCI)"}]