Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 19.035\% 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] Nc1ccn(C2CC(O)C(CO)O2)c(=O)n1
[b] CCCc1cc2c(=O)n(NC(=O)c3nn(C)cc3[N+](=O)[O-])c(C)nc2s1
Answer: b. CCCc1cc2c(=O)n(NC(=O)c3nn(C)cc3[N+](=O)[O-])c(C)nc2s1
{#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#}
CCCc1cc2c(=O)n(NC(=O)c3nn(C)cc3[N+](=O)[O-])c(C)nc2s1
CCCc1cc2c(=O)n(NC(=O)c3nn(C)cc3[N+](=O)[O-])c(C)nc2s1
1-methyl-N-(2-methyl-4-oxo-6-propylthieno[2,3-d]pyrimidin-3-yl)-4-nitropyrazole-3-carboxamide