Problem statement: Answer the multiple-choice question.
Question: Which drug has a -23.003\% 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 additional words.
Options:
a: Cc1ccccc1C(=O)Nc1cccc(C(=O)N/N=C/c2ccccn2)c1
b: O=C(COc1cccc(-n2cnnn2)c1)Nc1ccc([N+](=O)[O-])cc1
c: CC(=O)N1CCSc2ccc(S(=O)(=O)N3CCC(C)CC3)cc21
d: Cc1nn(Cc2noc(C(=O)NCC3CCCO3)n2)c(C)c1Br
e: CN(C)C(=O)CN1CCN(Cc2cn(C)nc2-c2ccc3c(c2)OCCO3)CC1
Answer: b. O=C(COc1cccc(-n2cnnn2)c1)Nc1ccc([N+](=O)[O-])cc1
{#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#}
O=C(COc1cccc(-n2cnnn2)c1)Nc1ccc([N+](=O)[O-])cc1
O=C(COc1cccc(-n2cnnn2)c1)Nc1ccc([N+](=O)[O-])cc1
N-(4-nitrophenyl)-2-[3-(tetrazol-1-yl)phenoxy]acetamide