[{"from": "human", "value": "What is solar cell maximum value of power conversion efficiency of given SMILES as a p-type polymer and PC71BM or PCBM? ->  CC1=CC2=C(C(SCC(CCCC)CC)=C(C=C(C)S3)C3=C2SCC(CCCC)CC)S1\n"}, {"from": "gpt", "value": " 4.0\n"}]