Problem statement: Answer the MCQ question.
Question: Which compound has a 0.740\% 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. CCOC(=O)c1cccc(NC(=O)CN(c2ccc(OC)cc2)S(=O)(=O)c2c(C)noc2C)c1
b. CCc1nn2c(=O)c(S(=O)(=O)Nc3ccc(Cl)cc3)c(C)nc2s1
Answer: b. CCc1nn2c(=O)c(S(=O)(=O)Nc3ccc(Cl)cc3)c(C)nc2s1
{#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#}
N-(4-chlorophenyl)-2-ethyl-7-methyl-5-oxo-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-sulfonamide