Problem statement: Answer the MCQ question.
Question: Which drug has a 1.812\% 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: CN1CCN(NC(=O)CC(C)(C)C)CC1
b: O=C(NCc1ccc(F)cc1)c1cc(S(=O)(=O)N2CCOCC2)ccc1F
c: Cc1ccc(NC(=O)CCCn2nc(C)c3c(C)n(-c4ccccc4)nc3c2=O)cc1C
Answer: a. CN1CCN(NC(=O)CC(C)(C)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#}
CN1CCN(NC(=O)CC(C)(C)C)CC1
CN1CCN(NC(=O)CC(C)(C)C)CC1
3,3-dimethyl-N-(4-methylpiperazin-1-yl)butanamide