[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@@H1][C@H1][C][=Branch1][C][=O][N][C@H1][Branch2][Branch1][=Branch2][C][=N][C@@H1][Branch1][Branch1][C][O][Ring1][Branch1][C][=Branch1][C][=O][N][C@H1][Branch2][Ring2][C][C][=N][C][=Branch1][Branch1][=C][S][Ring1][Branch1][C][=Branch1][C][=O][N][C@H1][Branch1][N][C][=Branch1][Branch1][=N][Ring2][Ring1][=Branch2][O][Ring2][Ring1][O][C][Branch1][C][C][C][C][Branch1][C][C][C][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a homodetic cyclic peptide that consists of L-threonine and L-valine and L-serine as the amino acid residues cyclised via amide bonds. It is isolated from Lissoclinum bistratum and exhibits antitumour activity against the human colon tumour cell line It has a role as a metabolite and an antineoplastic agent. It is a homodetic cyclic peptide and a macrocycle."}]