[{"from": "human", "value": "Given SMILES, write its solar cell solar cell average value of power conversion efficiency as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC2=C1C(OC[C@H](CCCC)CC)=C(C=C(C3=CC=C(C4=C(OCCCCCCCC)C(OCCCCCCCC)=C(C5=CC=C(C)S5)C6=NSN=C64)S3)S7)C7=C2OC[C@H](CCCC)CC\n"}, {"from": "gpt", "value": " 0.82\n"}]