[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a silyl chloride consisting of a central silicon atom covalently bound to one chloro and three methyl groups. Chlorotrimethylsilane is a derivatisation agent used in gas chromatography/mass spectrometry applications. It has a role as a chromatographic reagent."}, {"from": "gpt", "value": "[C][Si][Branch1][C][C][Branch1][C][C][Cl]"}]