Task: Answer the MCQ question.
Query: Which drug exhibits a 8.148\% 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) CCOc1ccc(NC(=O)NNC(=O)c2ccc(CC)s2)cc1
(b) CCCc1nc2nc(C)c(NS(=O)(=O)c3ccc([N+](=O)[O-])cc3)c(=O)n2[nH]1
Answer: a. CCOc1ccc(NC(=O)NNC(=O)c2ccc(CC)s2)cc1
{#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#}
CCOc1ccc(NC(=O)NNC(=O)c2ccc(CC)s2)cc1
CCOc1ccc(NC(=O)NNC(=O)c2ccc(CC)s2)cc1
1-(4-ethoxyphenyl)-3-[(5-ethylthiophene-2-carbonyl)amino]urea