Task: Answer the multiple choice question.
Question: Which compound has a 1.344\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(N1CCOCC1)C(F)(F)S(=O)(=O)Nc1ccccc1
(b) Cc1ccccc1Oc1cc(NC(=O)CCCn2nc(C)c([N+](=O)[O-])c2C)cc([N+](=O)[O-])c1
Answer: a. O=C(N1CCOCC1)C(F)(F)S(=O)(=O)Nc1ccccc1
{#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#}
O=C(N1CCOCC1)C(F)(F)S(=O)(=O)Nc1ccccc1
O=C(N1CCOCC1)C(F)(F)S(=O)(=O)Nc1ccccc1
[O][=C][Branch1][=Branch2][N][C][C][O][C][C][Ring1][=Branch1][C][Branch1][C][F][Branch1][C][F][S][=Branch1][C][=O][=Branch1][C][=O][N][C][=C][C][=C][C][=C][Ring1][=Branch1]
1,1-difluoro-2-morpholin-4-yl-2-oxo-N-phenylethanesulfonamide