[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a dimethylnaphthalene carrying methyl groups at positions 1 and 3."}, {"from": "gpt", "value": "[C][C][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][Ring2][=C][Ring1][#Branch2][C]"}]