Task: Answer the multiple choice question.
Query: Which drug has a -4.950\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccc2ccccc2c1CNC(=O)CC1C(=O)NCCN1CC(C)C
(b) COc1cccc(C(C(=O)NC2CCCC2)N(Cc2ccccc2OC)C(=O)c2ccco2)c1
Answer: a. COc1ccc2ccccc2c1CNC(=O)CC1C(=O)NCCN1CC(C)C
{#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#}
COc1ccc2ccccc2c1CNC(=O)CC1C(=O)NCCN1CC(C)C
COc1ccc2ccccc2c1CNC(=O)CC1C(=O)NCCN1CC(C)C
N-[(2-methoxynaphthalen-1-yl)methyl]-2-[1-(2-methylpropyl)-3-oxopiperazin-2-yl]acetamide