[{"from": "human", "value": "Given SMILES, write its solar cell VOC as a p-type polymer and PC71BM or PCBM. ->  CC1=CC(C(C2=CC(CCCCCC)=C(CC(CC)CCCC)S2)=C(SC(C3=CC(F)=C(C)C4=NSN=C43)=C5)C5=C6C7=CC(CCCCCC)=C(CC(CCCC)CC)S7)=C6S1\n"}, {"from": "gpt", "value": " 0.89\n"}]