Task: Answer the MCQ question.
Query: Which drug has a 7.848\% 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 other words.
Options:
a. CCOc1ccccc1/C=N/NC(=O)c1ccc(Cn2cc([N+](=O)[O-])cn2)o1
b. COC(=O)c1ccccc1NC(=O)CC#N
Answer: b. COC(=O)c1ccccc1NC(=O)CC#N
{#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)c1ccccc1NC(=O)CC#N
COC(=O)c1ccccc1NC(=O)CC#N
methyl 2-[(2-cyanoacetyl)amino]benzoate