Problem statement: Answer the multiple-choice question.
Query: Which compound has a 2.942\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: COc1ccc2c(c1)SC(C)CC2=O
b: N#CCCS(=O)(=O)c1nnnn1-c1ccccc1
c: CCC(=O)NC(=S)Nc1ccccc1F
d: NS(=O)(=O)c1cccc(-n2cnnn2)c1
e: CN1CCN(CCC(=O)Nc2ccc(Br)cc2)CC1
Answer: a. COc1ccc2c(c1)SC(C)CC2=O
{#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#}
COc1ccc2c(c1)SC(C)CC2=O
COc1ccc2c(c1)SC(C)CC2=O
7-methoxy-2-methyl-2,3-dihydrothiochromen-4-one