Task: Answer the MCQ question.
Query: Which compound exhibits a 19.946\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccc(S(=O)(=O)n2nc(OC(=O)c3ccncc3)cc2N)cc1
(b) CCCC(c1nnnn1CC1CCCO1)N1CCN(c2cc(Cl)ccc2C)CC1.Cl
Answer: a. COc1ccc(S(=O)(=O)n2nc(OC(=O)c3ccncc3)cc2N)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#}
COc1ccc(S(=O)(=O)n2nc(OC(=O)c3ccncc3)cc2N)cc1
COc1ccc(S(=O)(=O)n2nc(OC(=O)c3ccncc3)cc2N)cc1
[5-amino-1-(4-methoxyphenyl)sulfonylpyrazol-3-yl]pyridine-4-carboxylate