Task: Answer the multiple-choice question.
Query: Which drug exhibits a 13.248\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) CNS(=O)(=O)c1ccc(C)c(S(=O)(=O)NC)c1
b.) CCOC(=O)N1CCC(NC(=O)CN2C(=O)CCSc3ccccc32)CC1
Answer: a. CNS(=O)(=O)c1ccc(C)c(S(=O)(=O)NC)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#}
CNS(=O)(=O)c1ccc(C)c(S(=O)(=O)NC)c1
CNS(=O)(=O)c1ccc(C)c(S(=O)(=O)NC)c1
1-N,3-N,4-trimethylbenzene-1,3-disulfonamide