[{"from": "human", "value": "Given SMILES, write its solar cell solar cell solar cell average value of PCE as a p-type polymer and PC71BM or PCBM. ->  O=C1N(CC(CCCCCCCCCC)CCCCCCCC)C(C2=C(C3=C(CCCCCCCCCC)C=C(C4=CC5=C(C(C=C(C6=CC=C(CC(CCCC)CC)S6)C7=C8SC(C)=C7)=C8C=C5C9=CC=C(C[C@H](CCCC)CC)S9)S4)S3)SC(C%10=C(CCCCCCCCCC)C=C(C)S%10)=C21)=O\n"}, {"from": "gpt", "value": " 12.73\n"}]