Task: Answer the MCQ question.
Question: Which compound exhibits a -1.390% 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: CCOC(=O)c1[nH]cnc1C(=O)Nc1ccccc1C
b: CCN(CC)C(=S)SCC(=O)Nc1ccc(S(N)(=O)=O)cc1
Answer: a. CCOC(=O)c1[nH]cnc1C(=O)Nc1ccccc1C
{#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#}
CCOC(=O)c1[nH]cnc1C(=O)Nc1ccccc1C
CCOC(=O)c1[nH]cnc1C(=O)Nc1ccccc1C
ethyl 4-[(2-methylphenyl)carbamoyl]-1H-imidazole-5-carboxylate