[{"from": "human", "value": "Provide a brief overview of this molecule. [Al][Branch1][C][I][Branch1][C][I][I]"}, {"from": "gpt", "value": "The molecule is an iodide of aluminum. It is used as a catalyst in organic chemistry. Aluminum is the most abundant metal in the earth's crust and is always found combined with other elements such as oxygen, silicon, and fluorine.  (L739, L740, A6)"}]