Task: Answer the multiple-choice question.
Question: Which compound exhibits a 3.031\% 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: Cc1ccc(C)c(NC(=O)CCc2ccc(S(=O)(=O)NC3CCCCC3)cc2)c1
b: O=S(=O)(NCCc1ccc2c(c1)OCCO2)c1cccs1
Answer: b. O=S(=O)(NCCc1ccc2c(c1)OCCO2)c1cccs1
{#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#}
O=S(=O)(NCCc1ccc2c(c1)OCCO2)c1cccs1
O=S(=O)(NCCc1ccc2c(c1)OCCO2)c1cccs1
N-[2-(2,3-dihydro-1,4-benzodioxin-6-yl)ethyl]thiophene-2-sulfonamide