Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 13.940\% 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) COC(=O)CCNC(=O)Cn1cnc2sc3c(c2c1=O)CCCC3
b) CCCNc1nc2ccccc2c(=O)[nH]1
Answer: b. CCCNc1nc2ccccc2c(=O)[nH]1
{#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#}
CCCNc1nc2ccccc2c(=O)[nH]1
CCCNc1nc2ccccc2c(=O)[nH]1
2-(propylamino)-3H-quinazolin-4-one