Task: Answer the MCQ question.
Query: Which drug exhibits a -6.448\% 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 additional words.
Options:
[a] Cc1noc(C)c1COC(=O)c1ccccc1NC(=O)Cc1ccccc1
[b] CN1CCN2c3ccccc3Cc3ccccc3C2C1.Cl
Answer: b. CN1CCN2c3ccccc3Cc3ccccc3C2C1.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#}
CN1CCN2c3ccccc3Cc3ccccc3C2C1.Cl
CN1CCN2c3ccccc3Cc3ccccc3C2C1.Cl
5-methyl-2,5-diazatetracyclo[13.4.0.02,7.08,13]nonadeca-1(19),8,10,12,15,17-hexaene;hydrochloride