Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 1.883\% 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: CCc1cc2c(=O)[nH]c(Cc3ccc(OC)cc3)nc2s1
b: CNC(=O)NC(=O)CSc1ccc(NC(C)=O)cc1
Answer: a. CCc1cc2c(=O)[nH]c(Cc3ccc(OC)cc3)nc2s1
{#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#}
CCc1cc2c(=O)[nH]c(Cc3ccc(OC)cc3)nc2s1
CCc1cc2c(=O)[nH]c(Cc3ccc(OC)cc3)nc2s1
6-ethyl-2-[(4-methoxyphenyl)methyl]-3H-thieno[2,3-d]pyrimidin-4-one