Task: Answer the multiple choice question.
Query: Which drug exhibits a 6.454\% 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.) C=CCCCCc1nc2ccccc2c(=O)n1N
b.) COc1ccc(CCN(C)Cc2c(O)ccc3ccccc23)cc1OC
Answer: a. C=CCCCCc1nc2ccccc2c(=O)n1N
{#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#}
C=CCCCCc1nc2ccccc2c(=O)n1N
C=CCCCCc1nc2ccccc2c(=O)n1N
3-amino-2-hex-5-enylquinazolin-4-one