[{"from": "human", "value": "What is solar cell maximum value of PCE of given SMILES as a p-type polymer and PC71BM or PCBM? ->  CC1=CC2=C(C3=CC([Si](CCCCCCCC)(CCCCCCCC)C4=C5SC(C6=CC=C(C)C7=NSN=C76)=C4)=C5C=C3[Si]2(CCCCCCCC)CCCCCCCC)S1\n"}, {"from": "gpt", "value": " 4.3\n"}]