[{"from": "human", "value": "Write solar cell solar cell solar cell open-circuit voltage of given SMILES as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC2=C1C(C3=CC(C4=CC=C(CCCCCCCCCCCC)S4)=C(C5=CC=C(CCCCCCCCCCCC)S5)S3)=C(C=C(C6=CC=C(C7=CC=C(C8=CC=C(C)S8)S7)S6)S9)C9=C2C%10=CC(C%11=CC=C(CCCCCCCCCCCC)S%11)=C(C%12=CC=C(CCCCCCCCCCCC)S%12)S%10\n"}, {"from": "gpt", "value": " 0.621\n"}]