Task: Answer the multiple choice question.
Query: Which drug exhibits a 16.294\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a CCN1CCc2nc(NC(=O)c3ccccc3)sc2C1
b COc1cccc(-c2cc(C(F)(F)F)c3c(N)c(C#N)sc3n2)c1
c O=[N+]([O-])c1ccccc1CN1CCN(S(=O)(=O)Cc2ccccc2)CC1
d CCN(CC)S(=O)(=O)c1ccc(NC(=O)c2c(-c3ccccc3)noc2C)cc1
e CC12CN3CC(C)(CN(C1)C3c1ccc(Cl)cc1Cl)C2O
Answer: a. CCN1CCc2nc(NC(=O)c3ccccc3)sc2C1
{#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#}
CCN1CCc2nc(NC(=O)c3ccccc3)sc2C1
CCN1CCc2nc(NC(=O)c3ccccc3)sc2C1
N-(5-ethyl-6,7-dihydro-4H-[1,3]thiazolo[5,4-c]pyridin-2-yl)benzamide