Task: Answer the MCQ question.
Query: Which drug has a 15.940\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCSc1nc2c(sc3ccccc32)c(=O)n1C(C)C
b. O=C(Nc1ccc(Cl)cc1)Nc1ccccc1CC[N+](=O)[O-]
Answer: b. O=C(Nc1ccc(Cl)cc1)Nc1ccccc1CC[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(Cl)cc1)Nc1ccccc1CC[N+](=O)[O-]
O=C(Nc1ccc(Cl)cc1)Nc1ccccc1CC[N+](=O)[O-]
[O][=C][Branch1][=N][N][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][#Branch1][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][N+1][=Branch1][C][=O][O-1]
2-[2-[(4-chlorophenyl)carbamoylamino]phenyl]ethyl-oxido-oxoazanium