Task: Answer the MCQ question.
Query: Which drug has a 13.401\% 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) Br.CCCn1c(=N)n(CC(=O)OCC)c2ccccc21
(b) CCOc1ccc(NCc2nnc(SCc3ccccc3Cl)n2-c2ccccc2)cc1
Answer: a. Br.CCCn1c(=N)n(CC(=O)OCC)c2ccccc21
{#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#}
Br.CCCn1c(=N)n(CC(=O)OCC)c2ccccc21
Br.CCCn1c(=N)n(CC(=O)OCC)c2ccccc21
ethyl 2-(2-imino-3-propylbenzimidazol-1-yl)acetate;hydrobromide