[{"from": "human", "value": "What is poly dispersity index of given SMILES at room temperature and atmospheric pressure? ->  CC1=CC(CCCCCCCCCCCC)=C(/C=C/C2=C(CCCCCCCCCCCC)C=C(C3=CC=C(C4=CC=C(C5=CC=C(C)S5)C6=NSN=C46)S3)S2)S1\n"}, {"from": "gpt", "value": " 1.47\n"}]