Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -21.044\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. CCCCN(C)C(=O)c1nc2ccccn2c1CN1CCN(C(=O)c2cccs2)CC1
b. O=c1[nH]c2cc(Cl)ccc2n1-c1ccccc1
c. CCC(=O)Oc1cccc(C(=O)Nc2ccc(-c3nnc(-c4ccco4)o3)cc2)c1
d. CCN(CC)S(=O)(=O)c1ccc(Cl)c(C(=O)OC)c1
e. CC(/C=N/N1CCN(Cc2ccccc2)CC1)=C\c1ccccc1
Answer: a. CCCCN(C)C(=O)c1nc2ccccn2c1CN1CCN(C(=O)c2cccs2)CC1
{#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#}
CCCCN(C)C(=O)c1nc2ccccn2c1CN1CCN(C(=O)c2cccs2)CC1
CCCCN(C)C(=O)c1nc2ccccn2c1CN1CCN(C(=O)c2cccs2)CC1
N-butyl-N-methyl-3-[[4-(thiophene-2-carbonyl)piperazin-1-yl]methyl]imidazo[1,2-a]pyridine-2-carboxamide