Task: Answer the multiple-choice question.
Query: Which drug has a 3.680\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) CCCC(=O)NC(c1cccs1)c1cc([N+](=O)[O-])c2cccnc2c1O
b) COc1ccc(NC(=O)C(NC(=O)c2ccc(=O)[nH]c2)c2ccc(C)cc2)cc1
c) Cc1[nH]c(-c2ccccn2)nc(=S)c1Cl
Answer: a. CCCC(=O)NC(c1cccs1)c1cc([N+](=O)[O-])c2cccnc2c1O
{#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#}
CCCC(=O)NC(c1cccs1)c1cc([N+](=O)[O-])c2cccnc2c1O
CCCC(=O)NC(c1cccs1)c1cc([N+](=O)[O-])c2cccnc2c1O
N-[(8-hydroxy-5-nitroquinolin-7-yl)-thiophen-2-ylmethyl]butanamide