[{"from": "human", "value": "What is solar cell solar cell solar cell average value of PCE of given SMILES as a p-type polymer and PC71BM or PCBM? ->  CC(S1)=CC2=C1C(OCC(CCCCCCCC)CCCCCC)=C(C=C(C3=C4C(C(F)=C(C(OCC(CC)CCCC)=O)S4)=C(C)S3)S5)C5=C2C6=CC=C(OCC(CC)CCCC)C=C6\n"}, {"from": "gpt", "value": " 12.1\n"}]