Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 2.868\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] COc1cc(-c2n[nH]c(=O)o2)cc(OC)c1OC
[b] CCCCNc1nc(N(C)c2ccccc2)nc(-n2ccnc2)n1
[c] CC(=O)c1ccc(NC(=O)CCC(=O)OCC(F)(F)C(F)F)cc1
Answer: b. CCCCNc1nc(N(C)c2ccccc2)nc(-n2ccnc2)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#}
2-N-butyl-6-imidazol-1-yl-4-N-methyl-4-N-phenyl-1,3,5-triazine-2,4-diamine