Task: Answer the multiple choice question.
Query: Which compound exhibits a 1.694\% 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. CCOc1ccc2nc(NC(=O)c3cnc(C)cn3)sc2c1
b. Oc1ccc(/C=C/c2cnccn2)cc1
Answer: a. CCOc1ccc2nc(NC(=O)c3cnc(C)cn3)sc2c1
{#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#}
CCOc1ccc2nc(NC(=O)c3cnc(C)cn3)sc2c1
CCOc1ccc2nc(NC(=O)c3cnc(C)cn3)sc2c1
N-(6-ethoxy-1,3-benzothiazol-2-yl)-5-methylpyrazine-2-carboxamide