Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 2.475\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) CSc1nc(C)cc(C)c1S(=O)(=O)c1ccccc1C
b) CCn1c(=O)[nH]c(=O)c2c(N)c(C(=O)c3ccccc3OC)sc21
c) CC1CCN(C(c2ccc(N(C)C)cc2)c2nnnn2C(C)(C)C)CC1
Answer: b. CCn1c(=O)[nH]c(=O)c2c(N)c(C(=O)c3ccccc3OC)sc21
{#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#}
5-amino-1-ethyl-6-(2-methoxybenzoyl)thieno[2,3-d]pyrimidine-2,4-dione