Task: Answer the MCQ question.
Query: Which compound exhibits a 5.519\% 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) OC(Cn1c2ccccc2c2ccccc21)C[n+]1ccccc1.[O-][Cl+3]([O-])([O-])[O-]
(b) COc1ccc(S(=O)(=O)Nc2cccc(N(C)S(C)(=O)=O)c2)cc1C
Answer: a. OC(Cn1c2ccccc2c2ccccc21)C[n+]1ccccc1.[O-][Cl+3]([O-])([O-])[O-]
{#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#}
OC(Cn1c2ccccc2c2ccccc21)C[n+]1ccccc1.[O-][Cl+3]([O-])([O-])[O-]
OC(Cn1c2ccccc2c2ccccc21)C[n+]1ccccc1.[O-][Cl+3]([O-])([O-])[O-]
1-carbazol-9-yl-3-pyridin-1-ium-1-ylpropan-2-ol;perchlorate