[{"from": "human", "value": "What is solar cell VOC of given SMILES as a p-type polymer and PC71BM or PCBM? ->  CC1=CC=C(S1)C(C2=NSN=C23)=C(OCCCCCCCC)C(OCCCCCCCC)=C3C4=CC=C(C5=CC(N(CCCCCCCC)C6=CC(C)=CC=C67)=C7C=C5)S4\n"}, {"from": "gpt", "value": " 0.81\n"}]