Task: Answer the multiple choice question.
Query: Which compound exhibits a 1.579\% 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: C[C@]12CC[C@@H]3c4ccc(O)cc4C(=O)C[C@H]3[C@@H]1CC[C@@H]2O
b: N#Cc1cccc(NC(=O)c2ccccc2C(=O)O)c1
c: CCCCCCC1NC(C(=O)O)CS1
d: Cc1ccc(Cn2c(=O)c3c(nc4n3CCN4Cc3ccco3)n(C)c2=O)cc1
Answer: d. Cc1ccc(Cn2c(=O)c3c(nc4n3CCN4Cc3ccco3)n(C)c2=O)cc1
{#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#}
Cc1ccc(Cn2c(=O)c3c(nc4n3CCN4Cc3ccco3)n(C)c2=O)cc1
Cc1ccc(Cn2c(=O)c3c(nc4n3CCN4Cc3ccco3)n(C)c2=O)cc1
6-(furan-2-ylmethyl)-4-methyl-2-[(4-methylphenyl)methyl]-7,8-dihydropurino[7,8-a]imidazole-1,3-dione