Problem statement: Answer the MCQ question.
Query: Which compound has a 9.021\% 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 COC(=O)c1cc(=O)n2c(-c3ccc(OC)cc3)csc2n1
b Cc1nc2ccccc2n1/N=C/c1ccc([N+](=O)[O-])s1
c c1ccc(C2CCC(N3CCC(N4CCCCC4)CC3)CC2)cc1
Answer: a. COC(=O)c1cc(=O)n2c(-c3ccc(OC)cc3)csc2n1
{#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#}
methyl 3-(4-methoxyphenyl)-5-oxo-[1,3]thiazolo[3,2-a]pyrimidine-7-carboxylate