Task: Answer the MCQ question.
Question: Which drug exhibits a 15.053\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) Cc1cc(NC(=O)CCCC(=O)NCc2cccs2)no1
b) CCNc1ccc(C(=O)OC(C(=O)NC(N)=O)C(C)C)cc1[N+](=O)[O-]
Answer: b. CCNc1ccc(C(=O)OC(C(=O)NC(N)=O)C(C)C)cc1[N+](=O)[O-]
{#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#}
[1-(carbamoylamino)-3-methyl-1-oxobutan-2-yl] 4-(ethylamino)-3-nitrobenzoate