Task: Answer the multiple choice question.
Query: Which drug exhibits a 23.427\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CC[N+](CC)(CC#CCO)CC#Cc1ccccc1.[Br-]
b Cc1cccc(NS(=O)(=O)c2cc(C(=O)N3CCN(C)CC3)ccc2C)c1
Answer: a. CC[N+](CC)(CC#CCO)CC#Cc1ccccc1.[Br-]
{#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#}
CC[N+](CC)(CC#CCO)CC#Cc1ccccc1.[Br-]
CC[N+](CC)(CC#CCO)CC#Cc1ccccc1.[Br-]
diethyl-(4-hydroxybut-2-ynyl)-(3-phenylprop-2-ynyl)azanium;bromide