[{"from": "human", "value": "Given SMILES, write its solar cell average value of power conversion efficiency as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC2=C1C(C3=CC=CC(OCC(CCCC)CC)=C3)=C(C=C(C4=CC=C(C5=C6C(C(C7=C(CC(CCCC)CC)SC(CC(CC)CCCC)=C7C6=O)=O)=C(C8=CC=C(C)[Se]8)S5)[Se]4)S9)C9=C2C%10=CC=CC(OCC(CCCC)CC)=C%10\n"}, {"from": "gpt", "value": " 9.6\n"}]