Task: Answer the MCQ question.
Query: Which compound exhibits a 18.969\% 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) CC(C)n1nnnc1SCC(=O)N1CCOCC1
b) CC(=O)c1ccc(NC(=O)CSc2cn[nH]n2)cc1
Answer: a. CC(C)n1nnnc1SCC(=O)N1CCOCC1
{#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#}
CC(C)n1nnnc1SCC(=O)N1CCOCC1
CC(C)n1nnnc1SCC(=O)N1CCOCC1
1-morpholin-4-yl-2-(1-propan-2-yltetrazol-5-yl)sulfanylethanone