Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 13.187\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) COc1cccc(NC(=O)c2cc(=O)c3ccccc3o2)c1
(b) O=C(N1CCCCCC1)N1CCN(S(=O)(=O)c2cccc([N+](=O)[O-])c2)CC1
(c) COc1ccc(N2CCN(C(=O)CNC(=O)c3cn(-c4ccccc4OC)c(=O)c4ccccc34)CC2)cc1
(d) Cl.FC(F)(F)c1ccccc1/C=N/N1CCN(Cc2ccccc2)CC1
Answer: a. COc1cccc(NC(=O)c2cc(=O)c3ccccc3o2)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#}
COc1cccc(NC(=O)c2cc(=O)c3ccccc3o2)c1
COc1cccc(NC(=O)c2cc(=O)c3ccccc3o2)c1
N-(5-methoxyphenyl)-4-oxochromene-2-carboxamide