Task: Answer the multiple-choice question.
Question: Which compound exhibits a -2.525\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a.) CCCc1cc(C(=O)Nc2cnn(Cc3ccc(F)cc3)c2)no1
b.) O=[N+]([O-])c1ccc2nc(Cl)nc(-c3ccccc3)c2c1
c.) O=c1cc(-c2ccc(Cl)cc2)[nH][nH]1
d.) CCc1nc(SCC(N)=O)c2c(=O)n(C)c(=O)n(C)c2n1
Answer: b. O=[N+]([O-])c1ccc2nc(Cl)nc(-c3ccccc3)c2c1
{#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-])c1ccc2nc(Cl)nc(-c3ccccc3)c2c1
O=[N+]([O-])c1ccc2nc(Cl)nc(-c3ccccc3)c2c1
2-chloro-6-nitro-4-phenylquinazoline