Task: Answer the multiple choice question.
Question: Which compound exhibits a 10.148\% 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) CCCCC(CC)COC(=O)c1ccc(N(C)C)cc1
b) Cc1ccc(S(=O)(=O)N2CCCN(c3nc4cc(C)ccc4cc3C#N)CC2)cc1
Answer: a. CCCCC(CC)COC(=O)c1ccc(N(C)C)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#}
2-ethylhexyl4-(dimethylamino)cyclohexa-2,4,6-triene-1-carboxylate