Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 27.377\% 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 other words.
Options:
a) COc1ccccc1NC(=S)NNC(=O)c1cc(C)n(C)n1
b) CCCCN1C(=N)C(CC)(CC)C(=O)NC1=O.Cl
Answer: b. CCCCN1C(=N)C(CC)(CC)C(=O)NC1=O.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#}
CCCCN1C(=N)C(CC)(CC)C(=O)NC1=O.Cl
CCCCN1C(=N)C(CC)(CC)C(=O)NC1=O.Cl
1-butyl-5,5-diethyl-6-imino-1,3-diazinane-2,4-dione;hydrochloride