[{"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=C(C(N(CCCCCCCC)C2=O)=O)C2=C(C(S3)=C(CCCCCC)C(CCCCCC)=C3C4=C(C(N(CCCCCCCC)C5=O)=O)C5=C(C6=CC(C(C7=CC=C(CC(CCCC)CC)S7)=C(SC(C)=C8)C8=C9C%10=CC=C(C[C@@H](CCCC)CC)S%10)=C9S6)S4)S1\n"}, {"from": "gpt", "value": " 7.59\n"}]