Task: Answer the MCQ question.
Question: Which drug has a -1.422% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) Cc1cc(C(=O)Nc2c(F)cc(F)cc2Br)c(C)o1
b) NC(=O)NCCc1ccccc1
c) COc1ccccc1N1CCN(C(=O)CCc2ccccc2)CC1
d) COc1ccc(C(=O)/C=C/Nc2cc(C)ccn2)cc1
Answer: b. NC(=O)NCCc1ccccc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
NC(=O)NCCc1ccccc1
NC(=O)NCCc1ccccc1
2-phenylethylurea