[{"from": "human", "value": "What is solar cell average value of power conversion efficiency of given SMILES as a p-type polymer and PC71BM or PCBM? ->  CC1=CC(C(CCC(CCCC(C)C)C)(CCC(CCCC(C)C)C)O2)=C(C3=C2C=C(C4=C(F)C(F)=C(C)C5=NSN=C45)S3)S1\n"}, {"from": "gpt", "value": " 7.9\n"}]