Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 13.174\% 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: Cc1[nH]c(=S)[nH]c(=O)c1Cc1ccc(OCC(C)C)cc1
b: CN1C[N+]([O-])=C(c2ccccc2)C1(C)C
Answer: b. CN1C[N+]([O-])=C(c2ccccc2)C1(C)C
{#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#}
CN1C[N+]([O-])=C(c2ccccc2)C1(C)C
CN1C[N+]([O-])=C(c2ccccc2)C1(C)C
3,4,4-trimethyl-1-oxido-5-phenyl-2H-imidazol-1-ium