Task: Answer the MCQ question.
Query: Which drug has a 7.557\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1cc(C(=O)COc2ccc3ccc(=O)oc3c2)c(C)n1Cc1cccs1
(b) COCCNC(=O)c1cccc(C)c1[N+](=O)[O-]
Answer: b. COCCNC(=O)c1cccc(C)c1[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#}
COCCNC(=O)c1cccc(C)c1[N+](=O)[O-]
COCCNC(=O)c1cccc(C)c1[N+](=O)[O-]
N-(2-methoxyethyl)-3-methyl-2-nitrobenzamide