[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][N][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O][S][C][=Branch1][C][=O][C][=C][C][=C][S][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is a mucolytic drug. A mucolytic agent is any agent which dissolves thick mucus usually used to help relieve respiratory difficulties. The viscosity of mucous secretions in the lungs is dependent upon the concentrations of mucoprotein as well as the presence of disulfide bonds between these macromolecules and DNA."}]