[{"from": "human", "value": "What is solar cell maximum value of power conversion efficiency of given SMILES as a p-type polymer and PC71BM or PCBM? ->  O=C(N1CC(CCCCCC)CCCCCCCC)C2C=C(C)SC2C3=C(C(SC(C(SC(C4=C(CCCCCCCCCCCC)C=C(C5=CC(CCCCCCCCCCCC)=C(C)S5)S4)=C6)=C6C(N7CC(CCCCCC)CCCCCCCC)=O)=C8C7=O)=C8S3)C1=O\n"}, {"from": "gpt", "value": " 8.0\n"}]