[{"from": "human", "value": "Write solar cell maximum value of power conversion efficiency of given SMILES as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC2=C1C(C3=CC(SCCCC)=C(SCCCCCC)S3)=C(C=C(C4=CC=C(C(N(CC(CCCCCC)CCCCCCCC)C5=O)=C6C5=C(C7=CC=C(C)S7)N(CC(CCCCCCCC)CCCCCC)C6=O)S4)S8)C8=C2C9=CC(SCCCC)=C(SCCCCCC)S9\n"}, {"from": "gpt", "value": " 3.14\n"}]