Task: Answer the multiple-choice question.
Question: Which compound exhibits a -4.255\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) CCn1nnnc1SCC(=O)c1ccc(C)cc1
b.) COc1ccc(CCNc2nnc(Sc3nnnn3-c3ccccc3)s2)cc1OC
Answer: a. CCn1nnnc1SCC(=O)c1ccc(C)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#}
CCn1nnnc1SCC(=O)c1ccc(C)cc1
CCn1nnnc1SCC(=O)c1ccc(C)cc1
[C][C][N][N][=N][N][=C][Ring1][Branch1][S][C][C][=Branch1][C][=O][C][=C][C][=C][Branch1][C][C][C][=C][Ring1][#Branch1]
2-(4-ethyltetrazol-5-yl)sulfanyl-1-(4-methylphenyl)ethanone