Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 12.750\% human ether-à-go-go related gene (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. Cc1ccc(N)c([N+](=O)[O-])c1
b. CCC(C)n1c(C)nc2c(c1=O)c1nc3ccccc3nc1n2CCC1=CCCCC1
Answer: b. CCC(C)n1c(C)nc2c(c1=O)c1nc3ccccc3nc1n2CCC1=CCCCC1
{#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#}
13-butan-2-yl-17-[2-(cyclohexen-1-yl)ethyl]-14-methyl-2,9,13,15,17-pentazatetracyclo[8.7.0.03,8.011,16]heptadeca-1,3,5,7,9,11(16),14-heptaen-12-one