Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 3.371\% 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) O=C(CNCC1CCCO1)Nc1ccccc1N1CCCCCC1.O=C(O)C(=O)O
(b) CCOC(=O)c1cccc(NC(=O)/C=C/c2ccc([N+](=O)[O-])cc2)c1
(c) O=C1CCC([N+](=O)[O-])C(c2cccc(Cl)c2Cl)N1
Answer: b. CCOC(=O)c1cccc(NC(=O)/C=C/c2ccc([N+](=O)[O-])cc2)c1
{#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)c1cccc(NC(=O)/C=C/c2ccc([N+](=O)[O-])cc2)c1
CCOC(=O)c1cccc(NC(=O)/C=C/c2ccc([N+](=O)[O-])cc2)c1
ethyl 3-[[(E)-3-(4-nitrophenyl)prop-2-enoyl]amino]benzoate