Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 7.228\% human ether-à-go-go related gene (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. COC(=O)Cn1nnc2c(cnn2-c2ccccc2)c1=O
b. O=C1CSC(c2ccc([N+](=O)[O-])cc2)N1c1ccc(O)cc1
Answer: a. COC(=O)Cn1nnc2c(cnn2-c2ccccc2)c1=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#}
COC(=O)Cn1nnc2c(cnn2-c2ccccc2)c1=O
COC(=O)Cn1nnc2c(cnn2-c2ccccc2)c1=O
methyl 2-(4-oxo-7-phenylpyrazolo[3,4-d]triazin-3-yl)acetate