Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a -19.677\% 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] CC(C)CC(NC(=O)C1CCCCC1)C(=O)N1CCN(c2ccccn2)CC1
[b] Cc1cccc(NC(=O)CCS(=O)(=O)c2ccc(Br)cc2)c1
[c] CCCCCOC(=O)Cn1c(=O)c2c(nc(N3CCOCC3)n2C)n(C)c1=O
[d] CC(C)C(NS(=O)(=O)c1cccc2nsnc12)C(=O)N1CCn2c1nc1ccccc12
Answer: c. CCCCCOC(=O)Cn1c(=O)c2c(nc(N3CCOCC3)n2C)n(C)c1=O
{#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#}
CCCCCOC(=O)Cn1c(=O)c2c(nc(N3CCOCC3)n2C)n(C)c1=O
CCCCCOC(=O)Cn1c(=O)c2c(nc(N3CCOCC3)n2C)n(C)c1=O
pentyl 2-(3,7-dimethyl-8-morpholin-4-yl-2,6-dioxopurin-1-yl)acetate