Task: Answer the MCQ question.
Question: Which compound has a 18.148\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) CCCn1nc(NC(=O)C(C)C)c2cc3cc(OC)ccc3nc21
b.) CCCCCC(=O)Nc1ccc2oc(-c3cncc(Br)c3)nc2c1
Answer: b. CCCCCC(=O)Nc1ccc2oc(-c3cncc(Br)c3)nc2c1
{#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#}
CCCCCC(=O)Nc1ccc2oc(-c3cncc(Br)c3)nc2c1
CCCCCC(=O)Nc1ccc2oc(-c3cncc(Br)c3)nc2c1
N-[2-(5-bromopyridin-3-yl)-1,3-benzoxazol-5-yl]hexanamide