[{"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=C(C2=CC=C(C3=CC=C(C4=C(N=C(C)C(C)=N5)C5=C(C6=CC=C(C)S6)S4)S3)C=C2C7(CC(CC)CCCC)CC(CC)CCCC)C7=C1\n"}, {"from": "gpt", "value": " 1.37\n"}]