Problem statement: Answer the multiple-choice question.
Query: Which compound has a -54.508% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1ccc(N2C(=O)/C(=C/c3ccc([N+](=O)[O-])cc3)N=C2C)cc1
b: Br.CCCCN1C2=NCCCN2c2ccccc21
Answer: b. Br.CCCCN1C2=NCCCN2c2ccccc21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Br.CCCCN1C2=NCCCN2c2ccccc21
Br.CCCCN1C2=NCCCN2c2ccccc21
10-butyl-3,4-dihydro-2H-pyrimido[1,2-a]benzimidazole;hydrobromide