Task: Answer the multiple choice question.
Question: Which compound exhibits a 18.026\% 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.) Cl.N=c1c2c(n(Cc3ccc(F)cc3)c3c1CCC3)CCCC2
b.) CCOC(=O)C1=C(c2ccccc2)NC(=O)NC1c1cc(OCC)c(O)c([N+](=O)[O-])c1
Answer: b. CCOC(=O)C1=C(c2ccccc2)NC(=O)NC1c1cc(OCC)c(O)c([N+](=O)[O-])c1
{#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)C1=C(c2ccccc2)NC(=O)NC1c1cc(OCC)c(O)c([N+](=O)[O-])c1
CCOC(=O)C1=C(c2ccccc2)NC(=O)NC1c1cc(OCC)c(O)c([N+](=O)[O-])c1
ethyl 4-(3-ethoxy-4-hydroxy-5-nitrophenyl)-2-oxo-6-phenyl-3,4-dihydro-1H-pyrimidine-5-carboxylate