Task: Answer the multiple-choice question.
Question: Which drug exhibits a 16.599\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) COC(=O)CCCNC(=O)c1ccc(OS(=O)(=O)c2cc([N+](=O)[O-])ccc2C)cc1
b.) CCOC(=O)c1cc(-c2ccccc2)sc1NC(=O)c1ccc(OC)cc1
Answer: b. CCOC(=O)c1cc(-c2ccccc2)sc1NC(=O)c1ccc(OC)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#}
CCOC(=O)c1cc(-c2ccccc2)sc1NC(=O)c1ccc(OC)cc1
CCOC(=O)c1cc(-c2ccccc2)sc1NC(=O)c1ccc(OC)cc1
ethyl 2-[(4-methoxybenzoyl)amino]-5-phenylthiophene-3-carboxylate