Task: Answer the multiple-choice question.
Query: Which drug has a 4.794\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCOC(=O)c1csc(NC(=O)c2cc3ccccc3o2)n1
[b] CCCCNc1ccc(C(=O)OCCN(C)C)cc1.Cl
Answer: b. CCCCNc1ccc(C(=O)OCCN(C)C)cc1.Cl
{#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-(dimethylamino)ethyl 4-(butylamino)benzoate;hydrochloride