Task: Answer the multiple-choice question.
Query: Which compound exhibits a -0.668\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) Cc1ccc2nnnc(-c3ccccc3)c2c1
b) CS(=O)(=O)Nc1ccc2c(c1)nc1n2CCOC1
Answer: b. CS(=O)(=O)Nc1ccc2c(c1)nc1n2CCOC1
{#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#}
CS(=O)(=O)Nc1ccc2c(c1)nc1n2CCOC1
CS(=O)(=O)Nc1ccc2c(c1)nc1n2CCOC1
N-(3,4-dihydro-1H-[1,4]oxazino[4,3-a]benzimidazol-8-yl)methanesulfonamide