[{"from": "human", "value": "Given SMILES, write its solar cell open-circuit voltage as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC=C1C2=CC=C(C(S3)=CC=C3C(S4)=CC(C4=C5C6=CC=C(CCCCCCCCCCCC)S6)=C(C7=CC=C(CCCCCCCCCCCC)S7)C8=C5C=C(C)S8)C9=C2N=C(C%10=CC=CC=C%10)C(C%11=CC=CC=C%11)=N9\n"}, {"from": "gpt", "value": " 0.8320000000000001\n"}]