Task: Answer the MCQ question.
Query: Which compound exhibits a 13.753\% 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. NS(=O)(=O)c1ccc(CNC(=O)CNC(=O)Cc2ccccc2)cc1
b. COc1cccc(CN2CCNC(=O)C2CC(=O)N(C)CCC2CCOCC2)c1
Answer: b. COc1cccc(CN2CCNC(=O)C2CC(=O)N(C)CCC2CCOCC2)c1
{#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#}
COc1cccc(CN2CCNC(=O)C2CC(=O)N(C)CCC2CCOCC2)c1
COc1cccc(CN2CCNC(=O)C2CC(=O)N(C)CCC2CCOCC2)c1
2-[1-[(3-methoxyphenyl)methyl]-3-oxopiperazin-2-yl]-N-methyl-N-[2-(oxan-4-yl)ethyl]acetamide