Task: Answer the MCQ question.
Query: Which drug exhibits a 5.429\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) Cc1csc2ncc(C(=O)N3c4ccccc4CC3C)c(=O)n12
b.) CCCCNC(=NCc1cccc(C(F)(F)F)c1)Nc1ccccc1
Answer: b. CCCCNC(=NCc1cccc(C(F)(F)F)c1)Nc1ccccc1
{#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#}
CCCCNC(=NCc1cccc(C(F)(F)F)c1)Nc1ccccc1
CCCCNC(=NCc1cccc(C(F)(F)F)c1)Nc1ccccc1
1-butyl-3-phenyl-2-[[3-(trifluoromethyl)phenyl]methyl]guanidine