Task: Answer the multiple choice question.
Question: Which drug exhibits a 6.117\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: COc1ccc(-c2nc3c(Br)c(N)c(Br)cc3o2)cc1
b: c1ccc(CCNc2nc3ccccc3n3nnnc23)cc1
c: CCn1cnc2cc(NCc3nc4ccccc4n3Cc3ccccc3)ccc21
d: Cc1cccc(NC(=O)c2cnc3sccn3c2=O)c1
Answer: b. c1ccc(CCNc2nc3ccccc3n3nnnc23)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#}
c1ccc(CCNc2nc3ccccc3n3nnnc23)cc1
c1ccc(CCNc2nc3ccccc3n3nnnc23)cc1
N-(2-phenylethyl)tetrazolo[1,5-a]quinoxalin-4-amine