[{"from": "human", "value": "Given SMILES, write its solar cell solar cell maximum value of power conversion efficiency as a p-type polymer and PC71BM or PCBM. ->  O=C(N1CC(CC)CCCC)/C(C2=C1C=C(C(S3)=CC=C3C4=CC(C(C5=CC(CCCCCCCC)=C(CCCCCCCC)S5)=C(SC(C)=C6)C6=C7C8=CC(CCCCCCCC)=C(CCCCCCCC)S8)=C7S4)C=C2)=C9C(N(CC(CCCC)CC)C%10=CC(C%11=CC=C(C)S%11)=CC=C%10/9)=O\n"}, {"from": "gpt", "value": " 4.76\n"}]