Task: Answer the MCQ question.
Query: Which compound has a 2.157\% 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 other words.
Options:
a CC1CCN(C(=O)c2cc(-c3ccccc3O)on2)CC1
b CCn1cc(C(=O)OCC(=O)Nc2cccc(C)c2)c(=O)c2ccc(C)nc21
c Cc1cccc(N(CC(=O)NC(C)C)C(=O)CCC(=O)Nc2nccs2)c1
d CC(C)(C)c1ccc(-c2nnc(N)s2)cc1
Answer: d. CC(C)(C)c1ccc(-c2nnc(N)s2)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#}
CC(C)(C)c1ccc(-c2nnc(N)s2)cc1
CC(C)(C)c1ccc(-c2nnc(N)s2)cc1
5-(4-tert-butylphenyl)-1,3,4-thiadiazol-2-amine