[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a germacrene B."}, {"from": "gpt", "value": "[C][/C][=C][/C][C][/C][=Branch1][#C][=C][/C][C][=Branch1][=Branch1][=C][Branch1][C][C][C][C][C][/-Ring1][=N][/C]"}]