[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a eudesmane sesquiterpenoid in which the eudesmane skeleton carries a hydroxy substituent at C-11 and has a double bond between C-4 and C-5. It has a role as a volatile oil component."}, {"from": "gpt", "value": "[C][C][=C][C][C@@H1][Branch1][=C][C][C][C@][Ring1][=Branch1][Branch1][=Branch1][C][C][C][Ring1][#Branch2][C][C][Branch1][C][C][Branch1][C][C][O]"}]