Task: Answer the multiple choice question.
Query: Which compound exhibits a 23.183\% human ether-à-go-go related gene (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) O=C(N/N=C/c1ccc([N+](=O)[O-])cc1)c1cnccn1
b) COc1ccc(CCNC(=O)c2cc3cccc(OC)c3oc2=O)cc1OC
Answer: b. COc1ccc(CCNC(=O)c2cc3cccc(OC)c3oc2=O)cc1OC
{#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#}
COc1ccc(CCNC(=O)c2cc3cccc(OC)c3oc2=O)cc1OC
COc1ccc(CCNC(=O)c2cc3cccc(OC)c3oc2=O)cc1OC
N-[2-(4,5-dimethoxyphenyl)ethyl]-8-methoxy-2-oxochromene-3-carboxamide