Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -6.694% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] C[C@@H](NC(=O)c1[nH]cnc1C(=O)Nc1ccon1)c1ccccc1
[b] COc1ccccc1C1C([N+](=O)[O-])=CC([N+](=O)[O-])=CN1C
Answer: b. COc1ccccc1C1C([N+](=O)[O-])=CC([N+](=O)[O-])=CN1C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccccc1C1C([N+](=O)[O-])=CC([N+](=O)[O-])=CN1C
COc1ccccc1C1C([N+](=O)[O-])=CC([N+](=O)[O-])=CN1C
2-(2-methoxyphenyl)-1-methyl-3,5-dinitro-2H-pyridine