[{"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=CC=C(C(N(CC(CCCCCC)CCCC)C2=O)=C(C2=C(C(S3)=CC=C3C(S4)=CC(C4=C5OCCCCCCCCCCCC)=C(OCCCCCCCCCCCC)C6=C5C=C(C)S6)N7CC(CCCC)CCCCCC)C7=O)S1\n"}, {"from": "gpt", "value": " 4.35\n"}]