[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a titanium oxide with the formula TiO2. A naturally occurring oxide sourced from ilmenite, rutile and anatase, it has a wide range of applications. It has a role as a food colouring."}, {"from": "gpt", "value": "[O][=Ti][=O]"}]