Task: Answer the MCQ question.
Question: Which compound exhibits a 15.988\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCCn1nnc(NC(=O)c2ccccc2Br)n1
b O=C(Nc1ccc2oc(=O)ccc2c1)c1ccc(-c2cccc(Cl)c2)o1
c Cc1cc2ncc(-c3ccccc3)nc2cc1C
d CC(C)(C)NC(=O)C(c1cccs1)N(CC1CCCO1)C(=O)c1ccc(-c2ccccc2)[nH]1
Answer: a. CCCn1nnc(NC(=O)c2ccccc2Br)n1
{#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#}
CCCn1nnc(NC(=O)c2ccccc2Br)n1
CCCn1nnc(NC(=O)c2ccccc2Br)n1
2-bromo-N-(2-propyltetrazol-5-yl)benzamide