Task: Answer the multiple choice question.
Query: Which drug exhibits a -19.608% 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.) CCCCN(C)C(=O)Cc1c(OC)ccc2cc(Br)ccc12
b.) CC(=O)Nc1ccc(NC(=O)Nc2ccc(C)cc2C)cc1
Answer: a. CCCCN(C)C(=O)Cc1c(OC)ccc2cc(Br)ccc12
{#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#}
CCCCN(C)C(=O)Cc1c(OC)ccc2cc(Br)ccc12
CCCCN(C)C(=O)Cc1c(OC)ccc2cc(Br)ccc12
2-(6-bromo-2-methoxynaphthalen-1-yl)-N-butyl-N-methylacetamide