Task: Answer the multiple-choice question.
Question: Which compound exhibits a 1.180\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) Cc1ccc2c(c1)c(-c1ccccc1)nc1nnnn12
(b) O=[N+]([O-])c1ccc2nc(NS(=O)(=O)c3ccccc3[N+](=O)[O-])sc2c1
(c) CC(C)Nc1nc(-c2cccnc2)nc(-c2ccc(Cl)cc2)c1C#N
Answer: a. Cc1ccc2c(c1)c(-c1ccccc1)nc1nnnn12
{#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#}
Cc1ccc2c(c1)c(-c1ccccc1)nc1nnnn12
Cc1ccc2c(c1)c(-c1ccccc1)nc1nnnn12
7-methyl-5-phenyltetrazolo[1,5-a]quinazoline