Task: Answer the multiple choice question.
Question: Which drug exhibits a 1.735\% 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) COc1cccc(NC(=S)N(CCc2nc3cc(C)c(C)cc3[nH]2)Cc2cccnc2)c1
b) COc1ccccc1NC(=O)CSc1sc2c(O)cc(=O)[nH]c2c1C#N
Answer: b. COc1ccccc1NC(=O)CSc1sc2c(O)cc(=O)[nH]c2c1C#N
{#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#}
COc1ccccc1NC(=O)CSc1sc2c(O)cc(=O)[nH]c2c1C#N
COc1ccccc1NC(=O)CSc1sc2c(O)cc(=O)[nH]c2c1C#N
2-[(3-cyano-7-hydroxy-5-oxo-4H-thieno[3,2-b]pyridin-2-yl)sulfanyl]-N-(2-methoxyphenyl)acetamide