Task: Answer the multiple-choice question.
Query: Which compound has a -2.011\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CCOC(=O)Nc1ccc(Oc2ccccc2)cc1
b. COc1ccccc1N/C=C/c1onc(C)c1[N+](=O)[O-]
c. O=S(=O)(NCc1cccs1)c1cccc(S(=O)(=O)N2CCCCC2)c1
Answer: a. CCOC(=O)Nc1ccc(Oc2ccccc2)cc1
{#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#}
ethyl N-(4-phenoxyphenyl)carbamate