Task: Answer the MCQ question.
Query: Which compound exhibits a -20.874% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) CCCCP(=O)(CCCC)Cc1ccccc1
b.) CCN(C(=O)CN1C(=O)COc2ccc(S(=O)(=O)N3CCOCC3)cc21)c1ccc(OC)cc1
Answer: b. CCN(C(=O)CN1C(=O)COc2ccc(S(=O)(=O)N3CCOCC3)cc21)c1ccc(OC)cc1
{#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#}
CCN(C(=O)CN1C(=O)COc2ccc(S(=O)(=O)N3CCOCC3)cc21)c1ccc(OC)cc1
CCN(C(=O)CN1C(=O)COc2ccc(S(=O)(=O)N3CCOCC3)cc21)c1ccc(OC)cc1
N-ethyl-N-(4-methoxyphenyl)-2-(6-morpholin-4-ylsulfonyl-3-oxo-1,4-benzoxazin-4-yl)acetamide