[{"from": "human", "value": "What is solar cell solar cell average value of power conversion efficiency of given SMILES as a p-type polymer and PC71BM or PCBM? ->  O=C1C(C(C(N2CC(CCCCCCCC)CCCCCCCCCC)=O)=C(C3=CC4=C(C=C(C)S4)S3)N1CC(CCCCCCCCCC)CCCCCCCC)=C2C5=CC6=C(C=C(C)S6)S5\n"}, {"from": "gpt", "value": " 0.57\n"}]