Task: Answer the multiple-choice question.
Query: Which drug exhibits a 15.798\% 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. CCOC(=O)N1CCN(Cc2ccccn2)CC1.O=C(O)C(=O)O
b. CC(=O)N1CCc2cc(C(=O)CN3CCCCC3)ccc21
Answer: a. CCOC(=O)N1CCN(Cc2ccccn2)CC1.O=C(O)C(=O)O
{#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)N1CCN(Cc2ccccn2)CC1.O=C(O)C(=O)O
CCOC(=O)N1CCN(Cc2ccccn2)CC1.O=C(O)C(=O)O
ethyl 4-(pyridin-2-ylmethyl)piperazine-1-carboxylate;oxalic acid