Task: Answer the multiple choice question.
Query: Which compound exhibits a 20.579\% 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] COc1ccccc1N1C(=NC(=O)CCC2CCCC2)SC2CS(=O)(=O)CC21
[b] CCOC(=O)N1CCN(c2c(N3CCN(c4ccc(F)cc4)CC3)c(=O)c2=O)CC1
[c] Cc1ccc(-n2c(-c3ccncc3)n[nH]c2=S)c(C)c1
[d] c1ccc(-c2csc3ncnc(-n4cnc5ccccc54)c23)cc1
[e] Cc1ccc2cccc(OCc3cccc([N+](=O)[O-])c3)c2n1
Answer: a. COc1ccccc1N1C(=NC(=O)CCC2CCCC2)SC2CS(=O)(=O)CC21
{#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#}
COc1ccccc1N1C(=NC(=O)CCC2CCCC2)SC2CS(=O)(=O)CC21
COc1ccccc1N1C(=NC(=O)CCC2CCCC2)SC2CS(=O)(=O)CC21
3-cyclopentyl-N-[3-(2-methoxyphenyl)-5,5-dioxo-3a,4,6,6a-tetrahydrothieno[3,4-d][1,3]thiazol-2-ylidene]propanamide