[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a racemic mixture of 2 diastereoisomers where dilevalol, the R,R' stereoisomer, makes up 25% of the mixture. Labetalol is formulated as an injection or tablets to treat hypertension.  Labetalol was granted FDA approval on 1 August 1984."}, {"from": "gpt", "value": "[C][C][Branch1][O][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][C][Branch2][Ring1][Ring1][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][N][O]"}]