Task: Answer the MCQ question.
Query: Which compound exhibits a 6.345\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COC(=O)c1[nH]c2ccccc2c1NC(=O)c1ccccc1[N+](=O)[O-]
b) O=C(Cc1ccccc1)Nc1c(C(=O)N2CCOCC2)cnn1-c1ccccc1
Answer: a. COC(=O)c1[nH]c2ccccc2c1NC(=O)c1ccccc1[N+](=O)[O-]
{#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#}
COC(=O)c1[nH]c2ccccc2c1NC(=O)c1ccccc1[N+](=O)[O-]
COC(=O)c1[nH]c2ccccc2c1NC(=O)c1ccccc1[N+](=O)[O-]
methyl 3-[(2-nitrobenzoyl)amino]-1H-indole-2-carboxylate