Problem statement: Answer the multiple choice question.
Query: Which drug has a 16.664\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCCOCCc1nnc(N)s1
b: Cc1ccc(C(=O)C2C(c3cccc([N+](=O)[O-])c3)C3CSCN3[C@@]23C(=O)Nc2ccc(C)cc23)cc1
c: O=C(Nc1ccc(Cl)cc1)c1ccc(S(=O)(=O)N2CCOCC2)cc1
Answer: a. CCCOCCc1nnc(N)s1
{#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#}
CCCOCCc1nnc(N)s1
CCCOCCc1nnc(N)s1
5-(2-propoxyethyl)-1,3,4-thiadiazol-2-amine