Task: Answer the MCQ question.
Query: Which compound exhibits a 1.018\% 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] COn1c(SCc2cccnc2)nc2ccccc2c1=O
[b] CC(C)CCNC(=O)CN(C)S(=O)(=O)c1cccc2nsnc12
[c] C=CCNCCOCCOc1ccc(C)cc1[N+](=O)[O-]
Answer: a. COn1c(SCc2cccnc2)nc2ccccc2c1=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#}
COn1c(SCc2cccnc2)nc2ccccc2c1=O
COn1c(SCc2cccnc2)nc2ccccc2c1=O
3-methoxy-2-(pyridin-3-ylmethylsulfanyl)quinazolin-4-one