Task: Answer the MCQ question.
Query: Which compound exhibits a 21.364\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CC(Oc1ccccc1Cl)C(=O)N1CCCN(C)CC1
b. Cc1cccc(NC(=O)c2cc(-c3cc(C)ccc3O)n[nH]2)c1
Answer: a. CC(Oc1ccccc1Cl)C(=O)N1CCCN(C)CC1
{#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#}
CC(Oc1ccccc1Cl)C(=O)N1CCCN(C)CC1
CC(Oc1ccccc1Cl)C(=O)N1CCCN(C)CC1
2-(2-chlorophenoxy)-1-(4-methyl-1,4-diazepan-1-yl)propan-1-one