Problem statement: Answer the multiple choice question.
Query: Which drug has a -19.647\% 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: COc1ccc(Cl)cc1C(=O)Nc1ccccc1N1CCN(C(=O)C(C)C)CC1
b: C/C(=N\NC(=O)c1ccccc1)c1ccc(NC(=O)c2cccs2)cc1
Answer: a. COc1ccc(Cl)cc1C(=O)Nc1ccccc1N1CCN(C(=O)C(C)C)CC1
{#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#}
5-chloro-2-methoxy-N-[2-[4-(2-methylpropanoyl)piperazin-1-yl]phenyl]benzamide