Task: Answer the multiple-choice question.
Question: Which compound exhibits a -2.571\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CCCCCCOC(=O)C(C#N)c1nc2ccccc2nc1N1CCN(C)CC1
b. Cc1ccc(S(=O)(=O)NC(Cc2ccc(Cl)cc2)C(=O)O)cc1
c. N#Cc1nc(-c2ccc(F)cc2)oc1NCCN1CCOCC1
d. CC(C)(C)C(=O)/C=C(\N)c1ccccn1
Answer: a. CCCCCCOC(=O)C(C#N)c1nc2ccccc2nc1N1CCN(C)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#}
CCCCCCOC(=O)C(C#N)c1nc2ccccc2nc1N1CCN(C)CC1
CCCCCCOC(=O)C(C#N)c1nc2ccccc2nc1N1CCN(C)CC1
hexyl 2-cyano-2-[3-(4-methylpiperazin-1-yl)quinoxalin-2-yl]acetate