Task: Answer the multiple-choice question.
Question: Which compound has a -1.370\% 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. Cc1ccccc1CC(=O)NCc1cccnc1
b. CC1CCCCC1NC(=O)C1CCN(c2c3c(nc4ncnn24)CCC3)CC1
c. NC1=NC2(CCN(Cc3ccccc3)CC2)n2c(nc3ccccc32)N1
d. CC1=C(C(=O)OC(C)(C)C)C(c2cccc3ccccc23)NC(=O)N1
Answer: c. NC1=NC2(CCN(Cc3ccccc3)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=NC2(CCN(Cc3ccccc3)CC2)n2c(nc3ccccc32)N1
NC1=NC2(CCN(Cc3ccccc3)CC2)n2c(nc3ccccc32)N1
1'-benzylspiro[1H-[1,3,5]triazino[1,2-a]benzimidazole-4,4'-piperidine]-2-amine