[{"from": "human", "value": "Write poly dispersity index of given SMILES at room temperature and atmospheric pressure. ->  CC1=CC2=C(C(OCC(CCCC)CC)=C(C=C(C)S3)C3=C2OCC(CCCC)CC)S1\n"}, {"from": "gpt", "value": " 2.96\n"}]