[{"from": "human", "value": "Given SMILES, write its solar cell solar cell average value of PCE as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC=C1C2=C(OCCCCCCCC)C(OCCCCCCCC)=C(C(S3)=CC=C3C(S4)=CC(C4=C5C6=CC=C(CC(CC)CCCCCC)S6)=C(C7=CC=C(C[C@@H](CCCCCC)CC)S7)C8=C5C=C(C)S8)C9=C2N=C(C%10=CC=CC(C=C%11)=C%10C%12=C%11C=CC=C%12%13)C%13=N9\n"}, {"from": "gpt", "value": " 0.7\n"}]