Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 1.211\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CC1Cn2c(nnc2-c2ccccc2O)S1
b Cc1onc(-c2c(Cl)cccc2Cl)c1C(=O)NC1CCCCC1
c COc1ccc(NS(=O)(=O)c2ccc(Oc3c(C#N)cccc3C#N)cc2)cc1
d COc1ccc(-c2c(-c3ccccc3OC)sc3ccccc23)cc1OC
Answer: a. CC1Cn2c(nnc2-c2ccccc2O)S1
{#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#}
CC1Cn2c(nnc2-c2ccccc2O)S1
CC1Cn2c(nnc2-c2ccccc2O)S1
2-(6-methyl-5,6-dihydro-[1,3]thiazolo[2,3-c][1,2,4]triazol-3-yl)phenol