[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an acene that consists of five ortho-fused benzene rings in a rectilinear arrangement. It is an acene and a member of pentacenes."}, {"from": "gpt", "value": "[C][=C][C][=C][C][=C][C][=C][C][=C][C][=C][C][=C][C][Ring1][=Branch1][=C][C][Ring1][#Branch2][=C][C][Ring1][=C][=C][C][Ring2][Ring1][C][=C][Ring2][Ring1][=Branch1]"}]