Problem statement: Answer the multiple choice question.
Query: Which drug has a 2.506\% 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] COc1ccc(/C=C/C(=O)c2ccc(Cl)s2)cc1O
[b] CCOC(=O)c1ccccc1NC(=O)CSc1nnc(C)c(=O)[nH]1
[c] Clc1ccc(-n2nnnc2Sc2ncnc3sccc23)cc1
[d] CCOc1ccccc1NC(=S)Nc1ncccc1C
Answer: d. CCOc1ccccc1NC(=S)Nc1ncccc1C
{#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#}
CCOc1ccccc1NC(=S)Nc1ncccc1C
CCOc1ccccc1NC(=S)Nc1ncccc1C
1-(2-ethoxyphenyl)-3-(3-methylpyridin-2-yl)thiourea