[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][Branch2][=Branch1][Branch1][C@H1][C][=Branch1][C][=O][N][C@H1][Branch2][Branch1][=Branch1][C][=N][C][=Branch1][Branch1][=C][S][Ring1][Branch1][C][=Branch1][C][=O][N][C@H1][Branch2][Ring1][#C][C][=N][C][=Branch1][Branch1][=C][S][Ring1][Branch1][C][=Branch1][C][=O][N][C@H1][Branch1][=Branch2][C][=Branch1][C][=O][N][Ring2][Ring1][#Branch2][C][Branch1][C][C][C][C][Branch1][C][C][C][C][Branch1][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a homodetic cyclic peptide that consists of L-valine and L-threonine as the amino acid residues. 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."}]