Problem statement: Answer the multiple choice question.
Question: Which drug has a -53.821\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) O=C(C[n+]1cccc2ccccc21)c1ccc([N+](=O)[O-])cc1.[Br-]
b.) CCCCn1c(/N=C/c2c[nH]c3ccccc23)nc2ccccc21
c.) O=C(CSc1nnc(-c2cccs2)n1-c1cccc(Cl)c1)c1cccc2c1OCCO2
Answer: a. O=C(C[n+]1cccc2ccccc21)c1ccc([N+](=O)[O-])cc1.[Br-]
{#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(C[n+]1cccc2ccccc21)c1ccc([N+](=O)[O-])cc1.[Br-]
O=C(C[n+]1cccc2ccccc21)c1ccc([N+](=O)[O-])cc1.[Br-]
1-(4-nitrophenyl)-2-quinolin-1-ium-1-ylethanone;bromide