[{"from": "human", "value": "Given SMILES, write its solar cell maximum value of power conversion efficiency as a p-type polymer and PC71BM or PCBM. ->  O=C1/C(C2=C(C=C(C(S3)=CC=C3C4=CC(C(C5=CC=C(CC(CC)CCCC)S5)=C(SC(C6=CC=C(C)S6)=C7)C7=C8C9=CC=C(CC(CC)CCCC)S9)=C8S4)S2)N1CC(CCCCCCCC)CCCCCCCCCC)=C%10C(N(CC(CCCCCCCCCC)CCCCCCCC)C%11=C/%10SC(C)=C%11)=O\n"}, {"from": "gpt", "value": " 2.55\n"}]