[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an organosulfur compound. It is an example of an N-substituted thiourea. This compound is be synthesized by treating ethylenediamine with carbon disulfide."}, {"from": "gpt", "value": "[C][C][N][C][=Branch1][C][=S][N][Ring1][=Branch1]"}]