Task: Answer the multiple-choice question.
Query: Which drug exhibits a 2.220\% human ether-à-go-go related gene (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: CCN(CC(=O)Nc1cc(Cl)ccc1C)C(=O)C1CCCCC1
b: CN(C)c1ccc(-c2nnc(-c3ccc(S(=O)(=O)C(F)F)cc3)o2)cc1
Answer: b. CN(C)c1ccc(-c2nnc(-c3ccc(S(=O)(=O)C(F)F)cc3)o2)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#}
CN(C)c1ccc(-c2nnc(-c3ccc(S(=O)(=O)C(F)F)cc3)o2)cc1
CN(C)c1ccc(-c2nnc(-c3ccc(S(=O)(=O)C(F)F)cc3)o2)cc1
4-[5-[4-(difluoromethylsulfonyl)phenyl]-1,3,4-oxadiazol-2-yl]-N,N-dimethylaniline