Task: Answer the multiple choice question.
Query: Which compound exhibits a -1.679\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a.) Cc1ccc(CNC(=O)c2cccnc2)cc1
b.) C#CCSc1nnnn1-c1cccc(Cl)c1
c.) CCn1c2ccccc2c2cc(C3N=C(N)Nc4nc5ccccc5n43)ccc21
d.) CCCc1nnc2c(N(C)S(=O)(=O)c3ccccc3)nc3ccccc3n12
Answer: c. CCn1c2ccccc2c2cc(C3N=C(N)Nc4nc5ccccc5n43)ccc21
{#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#}
CCn1c2ccccc2c2cc(C3N=C(N)Nc4nc5ccccc5n43)ccc21
CCn1c2ccccc2c2cc(C3N=C(N)Nc4nc5ccccc5n43)ccc21
4-(9-ethylcarbazol-3-yl)-1,4-dihydro-[1,3,5]triazino[1,2-a]benzimidazol-2-amine