Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 4.754\% 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.) Br.CC1(C(=O)CSc2nc3ccccc3s2)CCC(=O)O1
b.) CN(C)C(=O)c1ccc(NC(=O)CSc2nnc(-c3cccs3)n2N)cc1
Answer: a. Br.CC1(C(=O)CSc2nc3ccccc3s2)CCC(=O)O1
{#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#}
Br.CC1(C(=O)CSc2nc3ccccc3s2)CCC(=O)O1
Br.CC1(C(=O)CSc2nc3ccccc3s2)CCC(=O)O1
5-[2-(1,3-benzothiazol-2-ylsulfanyl)acetyl]-5-methyloxolan-2-one;hydrobromide