[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a methanesulfonate (mesylate) salt prepared from equimolar amounts of (R)-tetrindole and methanesulfonic acid. It contains a (R)-tetrindole(1+). It is an enantiomer of a (S)-tetrindole mesylate."}, {"from": "gpt", "value": "[C][S][=Branch1][C][=O][=Branch1][C][=O][O].[C][C][C][C][Branch1][Branch1][C][C][Ring1][=Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][C][N][C@H1][C][Ring1][=Branch1][=C][Ring1][O][C][C][C][Ring1][=Branch1]"}]