[{"from": "human", "value": "Given SMILES, write its solar cell maximum value of PCE as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC2=C1C(C=CC=C3)=C3/C2=C(C4=C5C=C(C6=CC7=C(OCCCCCCCCCCCCCCCCCCCC)C8=C(C=C(C)S8)C(OCCCCCCCCCCCCCCCCCCCC)=C7S6)S4)/C9=C5C=CC=C9\n"}, {"from": "gpt", "value": " 4.03\n"}]