[{"from": "human", "value": "Given SMILES, write its solar cell maximum value of power conversion efficiency as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC2=C1C(C3=CC=C(C4=CC=C(C5=CC=C(CC(CCCCCC)CCCC)S5)S4)S3)=C(C=C(C6=C(CC(CC)CCCC)C=C(C7=C(F)C(F)=C(C8=CC(CC(CCCC)CC)=C(C)S8)C9=NSN=C97)S6)S%10)C%10=C2C%11=CC=C(C%12=CC=C(C%13=CC=C(CC(CCCC)CCCCCC)S%13)S%12)S%11\n"}, {"from": "gpt", "value": " 6.48\n"}]