Task: Answer the MCQ question.
Query: Which drug exhibits a 6.746\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CS(=O)(=O)NCCNc1cc(Cl)ccc1[N+](=O)[O-]
b. CCOC(=O)c1ccccc1C(=O)OCC
c. O=C(CNS(=O)(=O)c1ccccc1)OCC(=O)c1ccc([N+](=O)[O-])cc1
Answer: b. CCOC(=O)c1ccccc1C(=O)OCC
{#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#}
diethyl benzene-1,2-dicarboxylate