[{"from": "human", "value": "Given SMILES, write its solar cell solar cell VOC as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC2=C1C(OCC(CCCC)CC)=C(C=C(C3=CC(OCCCCCC)=C(C4=CC=C(C5=C(OCCCCCC)C=C(C)S5)C6=NSN=C64)S3)S7)C7=C2OCC(CC)CCCC\n"}, {"from": "gpt", "value": " 5.27\n"}]