Task: Answer the multiple choice question.
Question: Which drug has a 19.485\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CC(=O)C1=C(C)NC(=O)NC1c1cccs1
b. CC(=O)N(C)c1ccc(N=Cc2cc3c(cc2[N+](=O)[O-])OCO3)cc1
Answer: b. CC(=O)N(C)c1ccc(N=Cc2cc3c(cc2[N+](=O)[O-])OCO3)cc1
{#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#}
CC(=O)N(C)c1ccc(N=Cc2cc3c(cc2[N+](=O)[O-])OCO3)cc1
CC(=O)N(C)c1ccc(N=Cc2cc3c(cc2[N+](=O)[O-])OCO3)cc1
N-methyl-N-[4-[(6-nitro-1,3-benzodioxol-5-yl)methylideneamino]phenyl]acetamide