Task: Answer the multiple choice question.
Query: Which compound exhibits a -18.998\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(c1cc2c(F)cccc2s1)N1CCCC1
[b] Cc1cccc(-c2cc3nc(C)cc(NCCCn4ccnc4)n3n2)c1
Answer: b. Cc1cccc(-c2cc3nc(C)cc(NCCCn4ccnc4)n3n2)c1
{#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#}
Cc1cccc(-c2cc3nc(C)cc(NCCCn4ccnc4)n3n2)c1
Cc1cccc(-c2cc3nc(C)cc(NCCCn4ccnc4)n3n2)c1
N-(3-imidazol-1-ylpropyl)-5-methyl-2-(3-methylphenyl)pyrazolo[1,5-a]pyrimidin-7-amine