[{"from": "human", "value": "Given SMILES, write its solar cell solar cell solar cell open-circuit voltage. ->  CC1=CC2=C(C3=CC=C(C4=CC=C(C5=C(OCCCCCCCC)C(F)=C(C6=CC=C(C)S6)C7=NSN=C75)S4)C=C3C(CCCCCCCC)(CCCCCCCC)O2)C=C1\n"}, {"from": "gpt", "value": " PDBPTBT-5\n"}]