Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 13.144\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a.) O=C(Nc1ccc(N2CCCC2)c(Cl)c1)c1ccccc1[N+](=O)[O-]
b.) CCCCCCNC(=O)C(C#N)c1nc2ccccc2nc1N1CCOCC1
c.) C/C(=N\NC(=O)c1cccc(Br)c1)c1ccccn1
d.) COc1ccc(C(=O)Nc2ccccc2N2CCCCC2)cc1[N+](=O)[O-]
e.) CN(C)c1ccc(/C=N/NC(=O)C2COc3ccccc3O2)o1
Answer: a. O=C(Nc1ccc(N2CCCC2)c(Cl)c1)c1ccccc1[N+](=O)[O-]
{#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=C(Nc1ccc(N2CCCC2)c(Cl)c1)c1ccccc1[N+](=O)[O-]
O=C(Nc1ccc(N2CCCC2)c(Cl)c1)c1ccccc1[N+](=O)[O-]
[O][=C][Branch2][Ring1][=Branch1][N][C][=C][C][=C][Branch1][Branch2][N][C][C][C][C][Ring1][Branch1][C][Branch1][C][Cl][=C][Ring1][N][C][=C][C][=C][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1]
[2-[(3-chloro-4-pyrrolidin-1-ylphenyl)carbamoyl]phenyl]-oxido-oxoazanium