Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 1.779\% 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(NC(=O)CCSc2nnc(-c3ccco3)o2)cc1
b. CN(C)Cc1nc2c([nH]1)c(=O)n(C)c(=O)n2C
c. O=C(c1ccc(S(=O)(=O)N2CCCC2)cc1)N1CCC(CN2C(=O)c3cccc4cccc(c34)C2=O)CC1
d. NC(=O)c1cc(Br)cc(C2CCCCC2)c1O
Answer: b. CN(C)Cc1nc2c([nH]1)c(=O)n(C)c(=O)n2C
{#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#}
CN(C)Cc1nc2c([nH]1)c(=O)n(C)c(=O)n2C
CN(C)Cc1nc2c([nH]1)c(=O)n(C)c(=O)n2C
8-[(dimethylamino)methyl]-1,3-dimethyl-7H-purine-2,6-dione