[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a fatty acid-taurine conjugate obtained by deprotonation of the sulfonate group of N-icosanoyltaurine; major species at pH 7.3. It is a conjugate base of a N-icosanoyltaurine."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][N][C][C][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}]