[{"from": "human", "value": "Given SMILES, write its solar cell maximum value of PCE as a p-type polymer and PC71BM or PCBM. ->  CC1=CC2=C(OCC(CCCC)CC)C3=C(C=C(C4=C(CCCCCCCCCCCC)C(C#N)=C(C5=C(C#N)C(CCCCCCCCCCCC)=C(C)S5)S4)S3)C(OCC(CCCC)CC)=C2S1\n"}, {"from": "gpt", "value": " 0.55\n"}]