[{"from": "human", "value": "Please give me some details about this molecule. [C][O][C][=Branch1][C][=O][C@H1][Branch1][Ring1][C][S][N]"}, {"from": "gpt", "value": "The molecule is an L-cysteinyl ester resulting from the formal condensation of the carboxylic acid group of L-cysteine with methanol. It is used (as the hydrochloride salt) as a mucolytic for the treatment of respiratory disorders associated with productive cough. It has a role as a mucolytic. It is a L-cysteinyl ester, a primary amino compound and a thiol. It is functionally related to a L-cysteine and a methanol."}]