Problem statement: Answer the multiple choice question.
Question: Which compound has a 3.467\% 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: CCn1c(SCC(=O)c2ccccc2)nnc1-c1cccs1
b: CCOC(=O)C1=C(C)NC(=O)NC1c1ccc(Br)s1
c: O=[N+]([O-])c1ccc(-c2ccn[nH]2)o1
Answer: b. CCOC(=O)C1=C(C)NC(=O)NC1c1ccc(Br)s1
{#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#}
CCOC(=O)C1=C(C)NC(=O)NC1c1ccc(Br)s1
CCOC(=O)C1=C(C)NC(=O)NC1c1ccc(Br)s1
4-(5-bromothiophen-2-yl)-5-ethoxycarbonyl-6-methyl-3,4-dihydro-1H-pyrimidin-2-one