Task: Answer the multiple-choice question.
Question: Which compound exhibits a 8.025\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] O=C(c1cccc(Br)c1)N1CCN(C(=O)N2CCOCC2)CC1
[b] CCOC(=O)c1cnc(SC)nc1Oc1cccc(NS(=O)(=O)c2ccc(C)cc2)c1
[c] COc1ccc2c(C)cc(=O)oc2c1C
Answer: c. COc1ccc2c(C)cc(=O)oc2c1C
{#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#}
COc1ccc2c(C)cc(=O)oc2c1C
COc1ccc2c(C)cc(=O)oc2c1C
7-methoxy-4,8-dimethylchromen-2-one