Task: Answer the multiple choice question.
Question: Which compound has a 13.388\% 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 CC1(C)CC(CC(=O)O)C(=O)O1
b Cc1ccn2c(NC3CCCCC3)c(-c3cccc(-c4cccc(Cl)c4)c3)nc2c1.O=C(O)C(F)(F)F
c CCn1cc(CNC(=O)NC23CC4CC(CC(C4)C2)C3)c(C)n1
Answer: a. CC1(C)CC(CC(=O)O)C(=O)O1
{#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#}
CC1(C)CC(CC(=O)O)C(=O)O1
CC1(C)CC(CC(=O)O)C(=O)O1
2-(5,5-dimethyl-2-oxooxolan-3-yl)acetic acid