[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is the simplest member of the class toluenes consisting of a benzene core which bears a single methyl substituent. It has a role as a non-polar solvent, a cholinergic antagonist, a neurotoxin and a fuel additive. It is a methylbenzene, a volatile organic compound and a member of toluenes."}, {"from": "gpt", "value": "[C][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]