Task: Answer the multiple choice question.
Query: Which compound exhibits a 0.806\% 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. COc1ccc2oc(=O)c(C(=O)N3c4ccccc4CC3C)cc2c1
b. Cc1sc(Cc2nc(O)cs2)nc1-c1ccccc1
Answer: a. COc1ccc2oc(=O)c(C(=O)N3c4ccccc4CC3C)cc2c1
{#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#}
COc1ccc2oc(=O)c(C(=O)N3c4ccccc4CC3C)cc2c1
COc1ccc2oc(=O)c(C(=O)N3c4ccccc4CC3C)cc2c1
6-methoxy-3-(2-methyl-2,3-dihydroindole-1-carbonyl)chromen-2-one