Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 16.503\% 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)CC1C(=O)NCCN1S(=O)(=O)c1ccc(C)cc1
b. O=C(Cn1cnc([N+](=O)[O-])c1)Nc1ccccc1C(F)(F)F
Answer: a. CCOC(=O)CC1C(=O)NCCN1S(=O)(=O)c1ccc(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#}
CCOC(=O)CC1C(=O)NCCN1S(=O)(=O)c1ccc(C)cc1
CCOC(=O)CC1C(=O)NCCN1S(=O)(=O)c1ccc(C)cc1
ethyl2-[1-(4-methylphenyl)sulfonyl-3-oxopiperazin-2-yl]acetate