[{"from": "human", "value": "What is solar cell solar cell solar cell poly dispersity index of given SMILES as a p-type polymer and PC71BM or PCBM? ->  CC1=CC2=C(C(SC(C3=NC(SC(C4=CC5=C(C(SC(C6=CC7=C(C(OCC(CCCC)CCCCCC)=C(C=C(C)S8)C8=C7OCC(CCCCCC)CCCC)S6)=C9)=C9[Si]5(CCCCCCCC)CCCCCCCC)S4)=N%10)=C%10S3)=C%11)=C%11[Si]2(CCCCCCCC)CCCCCCCC)S1\n"}, {"from": "gpt", "value": " 0.69\n"}]