[{"from": "human", "value": "Given SMILES, write its solar cell maximum value of power conversion efficiency as a p-type polymer and PC71BM or PCBM. ->  CC1=CC=C(C2=CC(S3)=C(S2)C4=C3C5=CC(C6(C7=CC=C(OCCCCCCCC)C=C7)C8=CC=C(OCCCCCCCC)C=C8)=C(C=C5C4(C9=CC=C(OCCCCCCCC)C=C9)C%10=CC=C(OCCCCCCCC)C=C%10)C%11=C6C(S%12)=C(S%11)C=C%12C)C%13=NSN=C1%13\n"}, {"from": "gpt", "value": " 3.8\n"}]