[{"from": "human", "value": "Given SMILES, write its solar cell average value of power conversion efficiency as a p-type polymer and PC71BM or PCBM. ->  CC1=CC=C(C2=C(C(N(CCCCCCCC)C3=O)=O)C3=C(C4=CC=C(C5=CC(C(C6=CC=C(CC(CC)CCCC)S6)=C(SC(C)=C7)C7=C8C9=CC=C(CC(CC)CCCC)S9)=C8S5)S4)C%10=NN(CCCCCCCC)N=C2%10)S1\n"}, {"from": "gpt", "value": " 8.63\n"}]