Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 23.891\% 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 other words.
Options:
a OCCNC(=S)Nc1ccc2nsnc2c1
b CC(C)NC(=O)c1ccccc1NC(=O)C1COc2ccccc2O1
c COC(=O)c1nn(-c2ccc(F)cc2)ccc1=O
d COc1ccc(/C=C2\SC(=O)N(CCNC(=O)Cc3coc4cc(C)ccc34)C2=O)cc1OC
Answer: a. OCCNC(=S)Nc1ccc2nsnc2c1
{#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#}
OCCNC(=S)Nc1ccc2nsnc2c1
OCCNC(=S)Nc1ccc2nsnc2c1
1-(2,1,3-benzothiadiazol-5-yl)-3-(2-hydroxyethyl)thiourea