[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an aluminum salt used as an antiperspirant agent, cosmetic astringent and deodorant agent. It works by physically blocking eccrine sweat gland ducts."}, {"from": "gpt", "value": "[O].[OH1-1].[Al+3].[Cl-1]"}]