Task: Answer the multiple-choice question.
Question: Which compound has a 6.037\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. O=C(C[n+]1ccc(C(=O)N/N=C/c2ccc(Cl)cc2Cl)cc1)c1ccccc1.[Br-]
b. Nc1ccccc1NC(=O)c1ccccc1N
c. Cc1nn(C(C)C(=O)NCc2ccccc2)c(C)c1[N+](=O)[O-]
Answer: b. Nc1ccccc1NC(=O)c1ccccc1N
{#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#}
Nc1ccccc1NC(=O)c1ccccc1N
Nc1ccccc1NC(=O)c1ccccc1N
2-amino-N-(2-aminophenyl)benzamide