[{"from": "human", "value": "Write solar cell average value of PCE of given SMILES as a p-type polymer and PC71BM or PCBM. ->  CC1=CC2=C(C(C3=CC=C(CC(CCCC)CC)[Se]3)=C(C=C(C4=CC=C(C5=C(OCCCCCCCC)C(OCCCCCCCC)=C(C6=CC=C(C)S6)C7=N[Se]N=C75)S4)S8)C8=C2C9=CC=C(CC(CC)CCCC)[Se]9)S1\n"}, {"from": "gpt", "value": " 3.88\n"}]