Task: Answer the MCQ question.
Query: Which compound exhibits a -49.281\% 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) Cc1ccccc1OCCC(=O)Nc1cccc(S(=O)(=O)Nc2ccccc2Cl)c1
b) CCOC(=O)N1CCN(C(=O)/C=C/c2ccc([N+](=O)[O-])cc2)CC1
c) O=C(Nc1ccccc1Cl)c1cccs1
Answer: b. CCOC(=O)N1CCN(C(=O)/C=C/c2ccc([N+](=O)[O-])cc2)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#}
CCOC(=O)N1CCN(C(=O)/C=C/c2ccc([N+](=O)[O-])cc2)CC1
CCOC(=O)N1CCN(C(=O)/C=C/c2ccc([N+](=O)[O-])cc2)CC1
ethyl 4-[(E)-3-(4-nitrophenyl)prop-2-enoyl]piperazine-1-carboxylate