Task: Answer the MCQ question.
Query: Which drug exhibits a -2.868% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) CCCC(C)C(=O)Nc1nnc(C)s1
b) CCCn1nnc(NC(=O)c2cccnc2Cl)n1
c) Cc1cc(C)n(-c2nc3ccccc3n3c(C)nnc23)n1
d) CC(C)n1nc(C(=O)Oc2cccc(Cl)c2Cl)c2ccccc2c1=O
Answer: a. CCCC(C)C(=O)Nc1nnc(C)s1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCC(C)C(=O)Nc1nnc(C)s1
CCCC(C)C(=O)Nc1nnc(C)s1
2-methyl-N-(5-methyl-1,3,4-thiadiazol-2-yl)pentanamide