Task: Answer the multiple choice question.
Question: Which compound exhibits a 4.919\% 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 other words.
Options:
a Cc1nnc(NCCc2ccccc2)n(N)c1=O
b Cc1nnc(SCC(=O)c2cc(C)n(-c3c(C)n(C)n(-c4ccccc4)c3=O)c2C)s1
c CC1(C(=O)Nc2ccccc2)Cc2ccccc2C(=O)O1
Answer: a. Cc1nnc(NCCc2ccccc2)n(N)c1=O
{#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#}
4-amino-6-methyl-3-(2-phenylethylamino)-1,2,4-triazin-5-one