[{"from": "human", "value": "Given SMILES, write its solar cell VOC as a p-type polymer and PC71BM or PCBM. ->  CC1=C(CCCCCC)C=C(C2=CC=C(C3=NSN=C32)C4=CC(CCCCCC)=C(C5=CC6=C(C(OCCCCCCCC)=C(OCCCCCCCC)C7=C6C=C(C)S7)S5)S4)S1\n"}, {"from": "gpt", "value": " 0.8\n"}]