Task: Answer the multiple-choice question.
Query: Which drug exhibits a -16.957\% 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) Cc1nn(C)cc1/C=C(/C#N)C(N)=O
b) NNC(=O)c1ccc2nc(-c3ccc(Br)cc3)cn2c1
c) CCOc1cc(C(=S)N2CCOCC2)ccc1OC(=O)c1cccc(C)c1
Answer: b. NNC(=O)c1ccc2nc(-c3ccc(Br)cc3)cn2c1
{#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#}
NNC(=O)c1ccc2nc(-c3ccc(Br)cc3)cn2c1
NNC(=O)c1ccc2nc(-c3ccc(Br)cc3)cn2c1
2-(4-bromophenyl)imidazo[1,2-a]pyridine-6-carbohydrazide