Task: Answer the multiple choice question.
Question: Which compound exhibits a 20.713\% 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 CCCn1nc(NC(=O)C(C)(C)C)c2cc3cc(OC)ccc3nc21
b Cc1cc(Br)ccc1NC(=O)CN(C)C(=O)CSC(=S)N1CCCC1
c CNC(=O)NC(O)C(Cl)(Cl)Cl
d COC(=O)NC(=S)Nc1ccc(Oc2ccc(Cl)cc2)c(Cl)c1
e Cc1ccc(NC(=O)CCCn2nc(C)c3c(C)n(-c4ccccc4)nc3c2=O)c(Cl)c1
Answer: c. CNC(=O)NC(O)C(Cl)(Cl)Cl
{#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#}
CNC(=O)NC(O)C(Cl)(Cl)Cl
CNC(=O)NC(O)C(Cl)(Cl)Cl
1-methyl-3-(2,2,2-trichloro-1-hydroxyethyl)urea