[{"from": "human", "value": "Write solar cell average value of power conversion efficiency of given SMILES as a p-type polymer and PC71BM or PCBM. ->  CC1=CC(CC(CCCCCC)CCCC)=C(C2=NC(SC(C3=C(CC(CCCCCC)CCCC)C=C(C4=CC(CC(CCCCCCCC)CCCCCC)=C(C5=NC(SC(C6=C(CC(CCCCCCCC)CCCCCC)C=C(C)S6)=N7)=C7S5)S4)S3)=N8)=C8S2)S1\n"}, {"from": "gpt", "value": " 6.5\n"}]