Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 18.692\% 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.) COc1ccccc1Cn1nc(C(=O)O)c2ccccc2c1=O
b.) COc1ccc([N+](=O)[O-])cc1N(CC(O)CN1CCCCC1)S(=O)(=O)c1ccccc1
c.) Cc1nn(Cc2ccc(C(=O)Nc3nc4c(C)cccc4s3)o2)c(C)c1Br
Answer: a. COc1ccccc1Cn1nc(C(=O)O)c2ccccc2c1=O
{#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#}
COc1ccccc1Cn1nc(C(=O)O)c2ccccc2c1=O
COc1ccccc1Cn1nc(C(=O)O)c2ccccc2c1=O
3-[(2-methoxyphenyl)methyl]-4-oxophthalazine-1-carboxylic acid