Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -3.768\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) NC(=O)Nc1ccc(F)cc1
b.) Cc1cccc(-c2noc(CCc3ccccc3)n2)c1
c.) Cc1cccc(OC2(c3ccccc3)OC(=O)c3ccccc32)c1C
Answer: a. NC(=O)Nc1ccc(F)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#}
NC(=O)Nc1ccc(F)cc1
NC(=O)Nc1ccc(F)cc1
[N][C][=Branch1][C][=O][N][C][=C][C][=C][Branch1][C][F][C][=C][Ring1][#Branch1]
(4-fluorophenyl)urea