[{"from": "human", "value": "Write solar cell maximum value of power conversion efficiency of given SMILES as a p-type polymer and PC71BM or PCBM. ->  CC(S1)=CC2=C1C(C3=CC=C(C4=CC(OCCCCCCCC)=C(OCCCCCCCC)C(OCCCCCCCC)=C4)S3)=C(C=C(C5=CC=C(C6=CC=C(C7=CC=C(C)S7)C8=NSN=C86)S5)S9)C9=C2C%10=CC=C(C%11=CC(OCCCCCCCC)=C(OCCCCCCCC)C(OCCCCCCCC)=C%11)S%10\n"}, {"from": "gpt", "value": " 6.21\n"}]