Task: Answer the multiple-choice question.
Question: Which drug has a 3.271\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) O=C(O)c1cc(N=Cc2c(O)c3ccccc3oc2=O)ccc1O
b.) CNS(=O)(=O)c1ccc(NC(=O)c2cnn3c(C(F)F)cc(-c4ccccc4)nc23)cc1
c.) CCc1c(C)nc(Nc2nc(C)c3ccc(OC)cc3n2)[nH]c1=O
Answer: b. CNS(=O)(=O)c1ccc(NC(=O)c2cnn3c(C(F)F)cc(-c4ccccc4)nc23)cc1
{#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#}
CNS(=O)(=O)c1ccc(NC(=O)c2cnn3c(C(F)F)cc(-c4ccccc4)nc23)cc1
CNS(=O)(=O)c1ccc(NC(=O)c2cnn3c(C(F)F)cc(-c4ccccc4)nc23)cc1
7-(difluoromethyl)-N-[4-(methylsulfamoyl)phenyl]-5-phenylpyrazolo[1,5-a]pyrimidine-3-carboxamide