Task: Answer the multiple choice question.
Query: Which compound exhibits a 14.001\% 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 additional words.
Options:
(a) O=C(O)c1ccc(NC(=O)C(c2ccccc2)c2ccccc2)cc1
(b) NC1=NC(c2ccc(F)cc2)n2c(nc3ccccc32)N1
Answer: b. NC1=NC(c2ccc(F)cc2)n2c(nc3ccccc32)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#}
NC1=NC(c2ccc(F)cc2)n2c(nc3ccccc32)N1
NC1=NC(c2ccc(F)cc2)n2c(nc3ccccc32)N1
4-(4-fluorophenyl)-1,4-dihydro-[1,3,5]triazino[1,2-a]benzimidazol-2-amine