Task: Answer the multiple-choice question.
Question: Which compound exhibits a 16.963\% 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) CCc1cc2c(=O)n(-c3ccccc3)c(SCC(=O)O)nc2s1
b) CC(C)c1onc(C(=O)N2CCN(c3ccccc3)CC2)c1[N+](=O)[O-]
Answer: a. CCc1cc2c(=O)n(-c3ccccc3)c(SCC(=O)O)nc2s1
{#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#}
CCc1cc2c(=O)n(-c3ccccc3)c(SCC(=O)O)nc2s1
CCc1cc2c(=O)n(-c3ccccc3)c(SCC(=O)O)nc2s1
2-(6-ethyl-4-oxo-3-phenylthieno[2,3-d]pyrimidin-2-yl)sulfanylacetic acid