Task: Answer the MCQ question.
Question: Which drug exhibits a 6.976\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a COc1cc(CNC(C)(C)CO)cc(Br)c1OCc1ccc(Cl)cc1Cl
b Cn1cnc([N+](=O)[O-])c1Sc1ncnc2nc[nH]c12
c CCc1ccc(C(=O)Nc2cccnc2Oc2ccc(Cl)cc2)cc1
d CC(C)c1ccc(S(=O)(=O)N2CCN(C(=S)NCc3ccco3)CC2)cc1
e Cc1cccc(Oc2ccc(N)cc2)c1
Answer: b. Cn1cnc([N+](=O)[O-])c1Sc1ncnc2nc[nH]c12
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cn1cnc([N+](=O)[O-])c1Sc1ncnc2nc[nH]c12
Cn1cnc([N+](=O)[O-])c1Sc1ncnc2nc[nH]c12
[C][N][C][=N][C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][=C][Ring1][Branch2][S][C][=N][C][=N][C][N][=C][NH1][C][Ring1][=Branch2][=Ring1][Branch1]
6-(3-methyl-5-nitroimidazol-4-yl)sulfanyl-7H-purine