Task: Answer the MCQ question.
Query: Which compound exhibits a 2.817\% 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 additional words.
Options:
a) Cc1sc2nc(CSc3ncn[nH]3)[nH]c(=O)c2c1C
b) COc1ccc(/C=C2/S/C(=N/N=C3\CC4CCC3(C)C4(C)C)NC2=O)cc1
Answer: a. Cc1sc2nc(CSc3ncn[nH]3)[nH]c(=O)c2c1C
{#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#}
Cc1sc2nc(CSc3ncn[nH]3)[nH]c(=O)c2c1C
Cc1sc2nc(CSc3ncn[nH]3)[nH]c(=O)c2c1C
5,6-dimethyl-2-(1H-1,2,4-triazol-5-ylsulfanylmethyl)-3H-thieno[2,3-d]pyrimidin-4-one