[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][C][=Branch2][Ring1][Ring1][=C][Branch1][=Branch2][C][=Branch1][Branch1][=C][Ring1][=Branch1][C][C][C][C][C][Branch1][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is an alkylbenzene that is 1-isopentylbenzene carrying four additional methyl substituents at position 2, 3, 4 and 6."}]