Task: Answer the MCQ question.
Question: Which compound exhibits a 6.559\% 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) O=S(=O)(NCC1CCCO1)c1cnc(Cl)c(Cl)c1
b) Cc1ccc(NC(=O)Cn2c([N+](=O)[O-])cnc2C)cc1
Answer: a. O=S(=O)(NCC1CCCO1)c1cnc(Cl)c(Cl)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#}
O=S(=O)(NCC1CCCO1)c1cnc(Cl)c(Cl)c1
O=S(=O)(NCC1CCCO1)c1cnc(Cl)c(Cl)c1
[O][=S][=Branch1][C][=O][Branch1][#Branch2][N][C][C][C][C][C][O][Ring1][Branch1][C][=C][N][=C][Branch1][C][Cl][C][Branch1][C][Cl][=C][Ring1][Branch2]
5,6-dichloro-N-(oxolan-2-ylmethyl)pyridine-3-sulfonamide