Problem statement: Answer the multiple-choice question.
Question: Which compound has a 2.665\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. c1ccn2c(SCc3cn4ccsc4n3)nnc2c1
b. COC(=O)c1ccc(/C=C2\N=C(SC)SC2=O)cc1
Answer: a. c1ccn2c(SCc3cn4ccsc4n3)nnc2c1
{#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#}
c1ccn2c(SCc3cn4ccsc4n3)nnc2c1
c1ccn2c(SCc3cn4ccsc4n3)nnc2c1
6-([1,2,4]triazolo[4,3-a]pyridin-3-ylsulfanylmethyl)imidazo[2,1-b][1,3]thiazole