Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 21.206\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. O=c1c(-c2cccc3ccccc23)[n+]([O-])c2ccccc2n1O
b. O=C(c1ccc(N2CCOCC2)nc1)N1CCOCC1
c. Cc1cc(C(=O)NNC(=O)CCN2CCN(c3ccccc3)CC2)c2ccccc2n1
d. CCOC(=O)NC(=S)Nc1ccc(C(C)(C)C)cc1Br
e. CNC(=O)Nc1ccccc1NC(=O)NC
Answer: e. CNC(=O)Nc1ccccc1NC(=O)NC
{#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#}
1-methyl-3-[2-(methylcarbamoylamino)phenyl]urea