Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 17.009\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CCN(CC)CCCNC(=S)N(CCCO)Cc1cc2cc3c(cc2[nH]c1=O)OCO3
b O=[N+]([O-])c1ccccc1N/N=C\c1ccccc1Cl
c CCOC(=O)N1CCN(c2c(-c3ccc(C)c(C)c3)c(=O)c2=O)CC1
Answer: b. O=[N+]([O-])c1ccccc1N/N=C\c1ccccc1Cl
{#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=[N+]([O-])c1ccccc1N/N=C\c1ccccc1Cl
O=[N+]([O-])c1ccccc1N/N=C\c1ccccc1Cl
N-[(Z)-(2-chlorophenyl)methylideneamino]-2-nitroaniline