Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 2.900\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCCC(C(=O)OCCN(CC)CC)(c1ccccc1)c1ccccc1.Cl
b: Oc1ccccc1N1CCN(c2nc(-c3cccs3)nc3ccccc23)CC1
c: CCOCCCNC(=O)C(NC(=O)c1ccc(=O)[nH]c1)c1ccccc1
Answer: a. CCCC(C(=O)OCCN(CC)CC)(c1ccccc1)c1ccccc1.Cl
{#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#}
CCCC(C(=O)OCCN(CC)CC)(c1ccccc1)c1ccccc1.Cl
CCCC(C(=O)OCCN(CC)CC)(c1ccccc1)c1ccccc1.Cl
2-(diethylamino)ethyl 2,2-diphenylpentanoate;hydrochloride