Task: Answer the multiple-choice question.
Query: Which compound has a 7.477\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCN1CCN(c2nc3c(C)cccn3c(=O)c2/C=C(\C#N)S(=O)(=O)c2ccccc2)CC1
b: CCN(CC)C(=O)Cn1cc(S(=O)(=O)CC(=O)Nc2ccccc2F)c2ccccc21
c: O=C(NCCN1CCOCC1)c1ccccc1-c1ccccc1
Answer: a. CCN1CCN(c2nc3c(C)cccn3c(=O)c2/C=C(\C#N)S(=O)(=O)c2ccccc2)CC1
{#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#}
CCN1CCN(c2nc3c(C)cccn3c(=O)c2/C=C(\C#N)S(=O)(=O)c2ccccc2)CC1
CCN1CCN(c2nc3c(C)cccn3c(=O)c2/C=C(\C#N)S(=O)(=O)c2ccccc2)CC1
(E)-2-(benzenesulfonyl)-3-[2-(4-ethylpiperazin-1-yl)-9-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]prop-2-enenitrile