[{"from": "human", "value": "Write PDI of given SMILES at room temperature and atmospheric pressure. ->  O=C(OCC(CCCCCCCCCC)CCCCCCCC)C1=C(C2=CC=C(C3=C(F)C(F)=C(C4=CC=C(C)S4)C5=NSN=C53)S2)SC(C6=CC(C(OCC(CCCCCCCC)CCCCCCCCCC)=O)=C(C)S6)=C1\n"}, {"from": "gpt", "value": " 3.7\n"}]