[{"from": "human", "value": "Given SMILES, write its PDI at normal measurement conditions.. ->  CC(S1)=CC(CCCCCCCC)=C1C2=NC(S3)=C(S2)N=C3C4=C(CCCCCCCC)C=C(C5=C(CCCCCCCC)C=C(C6=CC(CCCCCCCC)=C(C)S6)S5)S4\n"}, {"from": "gpt", "value": " 2.76\n"}]