Task: Answer the MCQ question.
Query: Which compound exhibits a -1.642\% 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 Cc1cc(=O)n2[nH]cc(C(=O)O)c2n1
b COc1ccccc1NS(=O)(=O)c1ccccc1C#N
c O=S1(=O)CCC(NC(=S)NCCNC(=S)NC2CCS(=O)(=O)C2)C1
Answer: a. Cc1cc(=O)n2[nH]cc(C(=O)O)c2n1
{#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#}
Cc1cc(=O)n2[nH]cc(C(=O)O)c2n1
Cc1cc(=O)n2[nH]cc(C(=O)O)c2n1
5-methyl-7-oxo-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid