Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 4.049% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Cl.N=c1c[n+](-c2ccc(Cl)cc2)[n-]o1
[b] O=C(CNc1ccc2ccccc2c1)N/N=C/c1ccc(OC(=O)/C=C/c2ccco2)cc1
Answer: a. Cl.N=c1c[n+](-c2ccc(Cl)cc2)[n-]o1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cl.N=c1c[n+](-c2ccc(Cl)cc2)[n-]o1
Cl.N=c1c[n+](-c2ccc(Cl)cc2)[n-]o1
3-(4-chlorophenyl)-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride