Task: Answer the multiple choice question.
Question: Which drug exhibits a 3.746% 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 COc1ccccc1N1CCN(C(=O)CCNS(=O)(=O)c2cc(Br)cnc2N)CC1
b CC(C)N1C(=O)N(c2ccccc2)C(C)(O)CC1(C)C
Answer: b. CC(C)N1C(=O)N(c2ccccc2)C(C)(O)CC1(C)C
{#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#}
CC(C)N1C(=O)N(c2ccccc2)C(C)(O)CC1(C)C
CC(C)N1C(=O)N(c2ccccc2)C(C)(O)CC1(C)C
6-hydroxy-4,4,6-trimethyl-1-phenyl-3-propan-2-yl-1,3-diazinan-2-one