Task: Answer the MCQ question.
Query: Which drug exhibits a 12.861\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a C=CCn1c(CCNC(=O)c2ccccc2F)nnc1SCC(=O)Nc1nc2ccccc2s1
b CN(C)/N=C/c1cc(Cl)cc([N+](=O)[O-])c1O
Answer: b. CN(C)/N=C/c1cc(Cl)cc([N+](=O)[O-])c1O
{#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#}
CN(C)/N=C/c1cc(Cl)cc([N+](=O)[O-])c1O
CN(C)/N=C/c1cc(Cl)cc([N+](=O)[O-])c1O
4-chloro-2-[(E)-(dimethylhydrazinylidene)methyl]-6-nitrophenol