Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 18.320\% 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, d, or e without using any additional words.
Options:
(a) COc1ccc(NC(=O)C(=O)N/N=C(\C)CC(=O)Nc2ccccn2)c(OC)c1
(b) Cc1c(NC(=O)Nc2ccccc2Cl)sc(=S)n1C
(c) CCOC(=O)N1CCN(c2c(NCCCN(C)c3ccccc3)c(=O)c2=O)CC1
(d) CCOC(=O)c1nnc2ccnn2c1N
(e) COc1ccc2c(c1)-c1nc(NC(=O)c3ccco3)sc1CC2
Answer: d. CCOC(=O)c1nnc2ccnn2c1N
{#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#}
CCOC(=O)c1nnc2ccnn2c1N
CCOC(=O)c1nnc2ccnn2c1N
ethyl 4-aminopyrazolo[5,1-c][1,2,4]triazine-3-carboxylate