Task: Answer the multiple-choice question.
Question: Which compound exhibits a 14.778\% 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: CN1CCCN(C(=O)Cc2c(Cl)cccc2Cl)c2nc3ccccc3nc21
b: COc1ccc(-c2nnc(NC(=O)c3ccccc3[N+](=O)[O-])s2)c(OC)c1
Answer: a. CN1CCCN(C(=O)Cc2c(Cl)cccc2Cl)c2nc3ccccc3nc21
{#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#}
CN1CCCN(C(=O)Cc2c(Cl)cccc2Cl)c2nc3ccccc3nc21
CN1CCCN(C(=O)Cc2c(Cl)cccc2Cl)c2nc3ccccc3nc21
2-(2,6-dichlorophenyl)-1-(1-methyl-3,4-dihydro-2H-[1,4]diazepino[2,3-b]quinoxalin-5-yl)ethanone