[{"from": "human", "value": "What is poly dispersity index of given SMILES at room temperature and atmospheric pressure? ->  CC1=CC2=C(C(C(N=C(C3=CC=CC=C3)C(C4=CC=CC=C4)=N5)=C5C6=C7N(CCCCCCCCCCCC)C8=C6SC(C9=CC(C(CC(CC)CCCC)(CC(CCCC)CC)C%10=C%11SC(C)=C%10)=C%11S9)=C8)=C7N2CCCCCCCCCCCC)S1\n"}, {"from": "gpt", "value": " 2.1\n"}]