Task: Answer the MCQ question.
Query: Which drug exhibits a 2.982\% 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(CN1CCN(c2ncccn2)CC1)c1ccc(F)cc1
b: CN=C(NC#N)SCC(=O)c1ccc(Cl)cc1Cl
c: CCOc1ccccc1OCC(O)CNC
Answer: c. CCOc1ccccc1OCC(O)CNC
{#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#}
CCOc1ccccc1OCC(O)CNC
CCOc1ccccc1OCC(O)CNC
1-(2-ethoxyphenoxy)-3-(methylamino)propan-2-ol