Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 16.889\% 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. CCCc1c(C(=O)Nc2ccc(N3CCOCC3)cc2)cnn1-c1ccccc1
b. COc1ccc(C(C#N)c2nc3ccccc3nc2Cl)cc1
c. Cc1ccccc1NC(=S)NCCO
d. O=C(NCc1ccc(F)cc1)C1CCN(S(=O)(=O)c2cccc3nonc23)CC1
Answer: c. Cc1ccccc1NC(=S)NCCO
{#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#}
Cc1ccccc1NC(=S)NCCO
Cc1ccccc1NC(=S)NCCO
1-(2-hydroxyethyl)-3-(2-methylphenyl)thiourea