Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 5.781\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCOC(=O)C1CCCN(C(=O)c2ccc(Cl)cc2)C1
b. NS(=O)(=O)c1cccc(NC(=O)Cc2ccc(Cl)c(Cl)c2)c1
Answer: a. CCOC(=O)C1CCCN(C(=O)c2ccc(Cl)cc2)C1
{#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#}
CCOC(=O)C1CCCN(C(=O)c2ccc(Cl)cc2)C1
CCOC(=O)C1CCCN(C(=O)c2ccc(Cl)cc2)C1
ethyl 1-(4-chlorobenzoyl)piperidine-3-carboxylate