Problem statement: Answer the MCQ question.
Query: Which drug has a 9.173\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cn1cccc1-c1nc2ccccc2n1C
b. Cc1ccc(NC(=O)Cn2nnc(C(=O)NCc3ccc(Cl)cc3)c2N)cc1F
Answer: a. Cn1cccc1-c1nc2ccccc2n1C
{#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#}
Cn1cccc1-c1nc2ccccc2n1C
Cn1cccc1-c1nc2ccccc2n1C
1-methyl-2-(1-methylpyrrol-2-yl)benzimidazole