[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is the [4,5-b]-fused isomer of imidazopyridine."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][N][=C][Ring1][=Branch1][N][=C][N][Ring1][#Branch1]"}]