Task: Answer the MCQ question.
Question: Which compound has a 12.915\% 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.) O=C(NNC(=S)NCc1ccco1)c1ccc(S(=O)(=O)N2CCOCC2)cc1
b.) O=c1[nH][nH]c(-c2ccccc2O)c1C(C[N+](=O)[O-])c1ccc(Cl)cc1Cl
Answer: b. O=c1[nH][nH]c(-c2ccccc2O)c1C(C[N+](=O)[O-])c1ccc(Cl)cc1Cl
{#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=c1[nH][nH]c(-c2ccccc2O)c1C(C[N+](=O)[O-])c1ccc(Cl)cc1Cl
O=c1[nH][nH]c(-c2ccccc2O)c1C(C[N+](=O)[O-])c1ccc(Cl)cc1Cl
4-[1-(2,4-dichlorophenyl)-2-nitroethyl]-5-(2-hydroxyphenyl)-1,2-dihydropyrazol-3-one