[{"from": "human", "value": "Write solar cell average value of power conversion efficiency of given SMILES as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC2=C1C(OCC(CCCC)CC)=C(C=C(C3=C4C(C(N(CC(C#CC#CC#CC#CC#C)CCCCCCCC)C4=O)=O)=C(C)S3)S5)C5=C2OCC(CCCC)CC.[HH].[HH].[HH].[HH].[HH].[HH].[HH].[HH].[HH].[HH].[HH].[HH]\n"}, {"from": "gpt", "value": " 4.79\n"}]