Task: Answer the multiple choice question.
Query: Which compound exhibits a -1.863\% 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) CCCNC(=O)c1ccc(COc2ccc(CCC)cc2OC)o1
(b) COC(=O)COc1cc(C)cc2oc(=O)c(CC(=O)OC)c(C)c12
(c) Nc1nc2c(ncn2CCC(CO)CO)c(=O)[nH]1
(d) NC(=O)CC(NC(=O)Cc1ccc(Cl)cc1)c1ccc(NCCOc2ccccc2)c([N+](=O)[O-])c1
(e) O=[N+]([O-])c1cccc(S(=O)(=O)NC2CC3CCC2C3)c1
Answer: a. CCCNC(=O)c1ccc(COc2ccc(CCC)cc2OC)o1
{#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#}
CCCNC(=O)c1ccc(COc2ccc(CCC)cc2OC)o1
CCCNC(=O)c1ccc(COc2ccc(CCC)cc2OC)o1
5-[(2-methoxy-4-propylphenoxy)methyl]-N-propylfuran-2-carboxamide