[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a tetrazine."}, {"from": "gpt", "value": "[C][C][=C][Branch2][Ring1][=N][C][=Branch2][Ring1][Branch2][=N][N][Ring1][Branch1][C][=N][N][=C][Branch1][Branch1][N][=N][Ring1][=Branch1][N][C][C][C][C][C][C][Ring1][=Branch1][C][Br]"}]