[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a germacrene B with a (1E,4Z)-configuration."}, {"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]"}]