Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 1.986\% 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) Cc1ccc(-c2csc3ncnc(-n4nc(C)cc4N)c23)cc1
b) CCN(c1cccc(C)c1)S(=O)(=O)c1c(C)[nH]c(=O)[nH]c1=O
Answer: a. Cc1ccc(-c2csc3ncnc(-n4nc(C)cc4N)c23)cc1
{#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#}
Cc1ccc(-c2csc3ncnc(-n4nc(C)cc4N)c23)cc1
Cc1ccc(-c2csc3ncnc(-n4nc(C)cc4N)c23)cc1
5-methyl-2-[5-(4-methylphenyl)thieno[2,3-d]pyrimidin-4-yl]pyrazol-3-amine