Task: Answer the MCQ question.
Query: Which drug exhibits a -2.494\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: Cc1nc2oc3c(NCc4ccccn4)ncnc3c2c2c1COC(C)(C)C2
b: C=CCOC(=O)C1=C[C@H](c2cn(C(C)=O)c3ccccc23)[C@@H](CCCO)[C@H](OCC)O1
c: CCC(NC(=O)c1ccccc1O)c1ccccc1
d: Cc1ccc(C)c(C(=O)COC(=O)CCCC(=O)Nc2cc(C(F)(F)F)ccc2Cl)c1
e: Br.N=c1n(CC(=O)c2cccc([N+](=O)[O-])c2)c2ccccc2n1Cc1ccccc1
Answer: e. Br.N=c1n(CC(=O)c2cccc([N+](=O)[O-])c2)c2ccccc2n1Cc1ccccc1
{#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#}
Br.N=c1n(CC(=O)c2cccc([N+](=O)[O-])c2)c2ccccc2n1Cc1ccccc1
Br.N=c1n(CC(=O)c2cccc([N+](=O)[O-])c2)c2ccccc2n1Cc1ccccc1
2-(3-benzyl-2-iminobenzimidazol-1-yl)-1-(3-nitrophenyl)ethanone;hydrobromide