Problem statement: Answer the multiple choice question.
Query: Which drug has a 5.689\% 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: CCCc1nnc(SCC(=O)N2CCOCC2)n1CC1CCCO1
b: CN1CCN(c2c([N+](=O)[O-])cnc3ccccc23)CC1.Cl
Answer: b. CN1CCN(c2c([N+](=O)[O-])cnc3ccccc23)CC1.Cl
{#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#}
CN1CCN(c2c([N+](=O)[O-])cnc3ccccc23)CC1.Cl
CN1CCN(c2c([N+](=O)[O-])cnc3ccccc23)CC1.Cl
4-(4-methylpiperazin-1-yl)-3-nitroquinoline;hydrochloride