Task: Answer the multiple-choice question.
Query: Which drug has a 17.397\% 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 other words.
Options:
a. Cc1ccc2sc(C)[n+](CCCS(=O)(=O)[O-])c2c1
b. Cc1cc(C)c(S(=O)(=O)Cc2ccccc2)c(Cl)n1
Answer: a. Cc1ccc2sc(C)[n+](CCCS(=O)(=O)[O-])c2c1
{#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#}
Cc1ccc2sc(C)[n+](CCCS(=O)(=O)[O-])c2c1
Cc1ccc2sc(C)[n+](CCCS(=O)(=O)[O-])c2c1
3-(2,5-dimethyl-1,3-benzothiazol-3-ium-3-yl)propane-1-sulfonate