[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][C][=Branch1][C][=O][N][C@H1][C][S][S][C][C@H1][C][=Branch1][C][=O][N][C@H1][Branch2][O][Ring1][C][=Branch1][C][=O][N][C@H1][Branch2][=Branch2][=C][C][=Branch1][C][=O][N][C@@H1][Branch2][Branch1][O][C][S][S][C][C@H1][Branch2][Ring1][#Branch2][N][C][=Branch1][C][=O][C][N][C][=Branch1][C][=O][C@@H1][Branch1][#Branch1][N][C][Ring2][Ring1][P][=O][C@@H1][Branch1][C][C][O][C][=Branch1][C][=O][N][C@@H1][Branch1][=N][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][O][C][=Branch1][C][=O][N][C@@H1][Branch1][P][C][S][S][C][C@@H1][Branch1][=Branch2][C][=Branch1][C][=O][N][Ring2][Branch1][O][N][C][=Branch1][C][=O][N][C@H1][Branch2][Ring1][Ring2][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][Ring2][#Branch1][Ring1][C][C][=Branch1][C][=O][N][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an orally administered, peptide agonist of guanylate cyclase 2C for the treatment of irritable bowel syndrome. Chemically, it is a heterodetic cyclic peptide and consists of fourteen amino acids. The protein sequence is as follows: Cys Cys Glu Tyr Cys Cys Asn Pro Ala Cys Thr Gly Cys Tyr. There are three disulfide bonds which are located between Cys1 and Cys6; between Cys2 and Cys10; and between Cys5 and Cys13. FDA approved on August 30, 2012."}]