Problem statement: Answer the MCQ question.
Question: Which drug has a -7.519\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. O=C(COc1ccc(Br)cc1)Nc1ccc(CN2CCOCC2)cc1
b. CC(=O)Nc1cc([As](=O)(O)O)ccc1O
c. CC(=O)c1cc(NC(=O)c2cccc(C(F)(F)F)c2)c(=O)oc1C
Answer: a. O=C(COc1ccc(Br)cc1)Nc1ccc(CN2CCOCC2)cc1
{#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#}
2-(4-bromophenoxy)-N-[4-(morpholin-4-ylmethyl)phenyl]acetamide