Task: Answer the MCQ question.
Question: Which drug exhibits a 3.917\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) O=C(Nc1ccccc1)Nc1ccccc1NS(=O)(=O)c1cccs1
b.) CCN=C1SC(C(=O)NCCc2ccccc2)CC(=O)N1CC
Answer: b. CCN=C1SC(C(=O)NCCc2ccccc2)CC(=O)N1CC
{#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#}
CCN=C1SC(C(=O)NCCc2ccccc2)CC(=O)N1CC
CCN=C1SC(C(=O)NCCc2ccccc2)CC(=O)N1CC
3-ethyl-2-ethylimino-4-oxo-N-(2-phenylethyl)-1,3-thiazinane-6-carboxamide