[{"from": "human", "value": "Write solar cell maximum value of power conversion efficiency of given SMILES as a p-type polymer and PC71BM or PCBM. ->  CC1=C2C(C(N(CC(CCCCCCCC)CCCCCC)C2=O)=O)=C(C3=CC=C(C4=C(CCCCCCCC)C(SC(C5=CC=C(C)S5)=C6CCCCCCCC)=C6S4)S3)S1\n"}, {"from": "gpt", "value": " 5.1\n"}]