Task: Answer the MCQ question.
Question: Which compound exhibits a 4.531\% 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. CCOC(=O)c1nc(NCc2ccccc2)c2ccccc2n1
b. CN(C)CC1CCCCC1=O.Cl
c. NC(=O)N=Nc1c(O)[nH]c2ccc([N+](=O)[O-])cc12
Answer: a. CCOC(=O)c1nc(NCc2ccccc2)c2ccccc2n1
{#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#}
CCOC(=O)c1nc(NCc2ccccc2)c2ccccc2n1
CCOC(=O)c1nc(NCc2ccccc2)c2ccccc2n1
ethyl 4-(benzylamino)quinazoline-2-carboxylate