Task: Answer the multiple-choice question.
Query: Which drug exhibits a -12.539\% 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) COc1cc2[nH]cc(C(=O)NCCc3ccccc3)c(=O)c2cc1OC
b) O=C(CN1CCCCC1)NNC(=O)c1ccc([N+](=O)[O-])cc1
Answer: a. COc1cc2[nH]cc(C(=O)NCCc3ccccc3)c(=O)c2cc1OC
{#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#}
COc1cc2[nH]cc(C(=O)NCCc3ccccc3)c(=O)c2cc1OC
COc1cc2[nH]cc(C(=O)NCCc3ccccc3)c(=O)c2cc1OC
6,7-dimethoxy-4-oxo-N-(2-phenylethyl)-1H-quinoline-3-carboxamide