[{"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=CC2=C(C(OCC(CC)CCCC)=C(C=C(C3=C4C(C(F)=C(C(C(CC)CCCC)=O)S4)=C(C)S3)O5)C5=C2OCC(CCCC)CC)O1\n"}, {"from": "gpt", "value": " 5.22\n"}]