Task: Answer the multiple choice question.
Question: Which compound exhibits a 14.727\% 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. CN(C1CCCCC1)S(=O)(=O)CCNC(=O)c1ccccc1
b. CCN(C(=O)COC(=O)c1[nH]c(=O)[nH]c(=O)c1N)c1ccccc1
c. O=C(N/N=C/c1cccnc1)c1ccccc1NS(=O)(=O)c1cccs1
d. CCCCNC(=O)NNc1nc(Cl)cc(C)c1C#N
Answer: d. CCCCNC(=O)NNc1nc(Cl)cc(C)c1C#N
{#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#}
CCCCNC(=O)NNc1nc(Cl)cc(C)c1C#N
CCCCNC(=O)NNc1nc(Cl)cc(C)c1C#N
1-butyl-3-[(6-chloro-3-cyano-4-methylpyridin-2-yl)amino]urea