Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 2.398\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cn1cc(Cl)c(C(=O)Nc2nccs2)n1
(b) CCNc1nc(NC(C)C)nc(NC(C)(C)C)n1
Answer: b. CCNc1nc(NC(C)C)nc(NC(C)(C)C)n1
{#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#}
CCNc1nc(NC(C)C)nc(NC(C)(C)C)n1
CCNc1nc(NC(C)C)nc(NC(C)(C)C)n1
2-N-tert-butyl-6-N-ethyl-4-N-propan-2-yl-1,3,5-triazine-2,4,6-triamine