[{"from": "human", "value": "What is solar cell open-circuit voltage of given SMILES as a p-type polymer and PC71BM or PCBM? ->  CC1=CC(C(CCCCCCCCCCCC)=C(CCCCCCCCCCCC)C2=C3SC4=C2SC5=C4C(CCCCCCCCCCCC)=C(CCCCCCCCCCCC)C6=C5SC(C7=CC(SC(C)=C8)=C8S7)=C6)=C3S1\n"}, {"from": "gpt", "value": " 0.66\n"}]