[{"from": "human", "value": "Given SMILES, write its solar cell average value of PCE as a p-type polymer and PC71BM or PCBM. ->  CC1=CC([Si](CCCC)(CCCC)[Si](CCCC)(CCCC)C2=C3SC(C4=CC=C(C)C5=NSN=C54)=C2)=C3S1\n"}, {"from": "gpt", "value": " 6.38\n"}]