[{"from": "human", "value": "Write PDI of given SMILES at normal measurement conditions.. ->  CC1=CC2=C(C(C3=CC=C(CCCCCC)S3)=C(C=C(C4=CC=C(C)C5=C4N=C(C6=CC=C(CCCCCC)S6)C(C7=CC=C(CCCCCC)S7)=N5)S8)C8=C2C9=CC=C(CCCCCC)S9)S1\n"}, {"from": "gpt", "value": " 1.71\n"}]