Task: Answer the multiple choice question.
Question: Which compound exhibits a 17.026\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) COCCCNc1nc2ccccc2nc1NS(=O)(=O)c1cccs1
b) COc1nc(Nc2ccc(-c3nc4ccccc4o3)cc2)nc(N2CCOCC2)n1
c) Cc1cc(/C=C2\SC(=S)NC2=O)cc(C)c1O
d) CCOC(=O)c1c(-c2cccs2)csc1N
Answer: d. CCOC(=O)c1c(-c2cccs2)csc1N
{#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#}
CCOC(=O)c1c(-c2cccs2)csc1N
CCOC(=O)c1c(-c2cccs2)csc1N
ethyl 2-amino-4-thiophen-2-ylthiophene-3-carboxylate