Task: Answer the multiple-choice question.
Query: Which drug exhibits a 0.474\% 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: CS(=O)(=O)Nc1ccc(-c2cn3cccnc3n2)cc1
b: O=C1/C(=C/c2ccsc2)N2CCC1CC2
c: CCOc1cc(S(=O)(=O)NCCc2cccc(C)c2)c(OCC)cc1-n1cnnn1
Answer: a. CS(=O)(=O)Nc1ccc(-c2cn3cccnc3n2)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#}
N-(4-imidazo[1,2-a]pyrimidin-2-ylphenyl)methanesulfonamide