Task: Answer the MCQ question.
Query: Which drug exhibits a 6.683% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CCC(C)NC(=O)C(=O)NCC1CCCN1CC
b) CCCCCCOc1ccc(N2C(=O)CC(N(CCc3ccc(S(N)(=O)=O)cc3)C(C)=O)C2=O)cc1
Answer: a. CCC(C)NC(=O)C(=O)NCC1CCCN1CC
{#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#}
CCC(C)NC(=O)C(=O)NCC1CCCN1CC
CCC(C)NC(=O)C(=O)NCC1CCCN1CC
N'-butan-2-yl-N-[(1-ethylpyrrolidin-2-yl)methyl]oxamide