Task: Answer the multiple choice question.
Question: Which compound exhibits a 6.595\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) COc1ccccc1NC(=O)CC(NCc1ccccc1)C(=O)O
b.) CC1CC1C(=O)Nc1nc(-c2cccs2)c(-c2cccs2)s1
Answer: a. COc1ccccc1NC(=O)CC(NCc1ccccc1)C(=O)O
{#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#}
2-(benzylamino)-4-(2-methoxyanilino)-4-oxobutanoicacid