[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a thiophene derivative that consists of two thiophene rings connected by a 2,2'-linkage."}, {"from": "gpt", "value": "[C][=C][S][C][=Branch1][Ring2][=C][Ring1][Branch1][C][=C][C][=C][S][Ring1][Branch1]"}]