Task: Answer the MCQ question.
Question: Which compound exhibits a 4.071\% 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: c1ccc(Cc2nn[nH]n2)cc1
b: CCCNC(=O)CSc1nc2ccccc2c(=O)n1CCC
c: COc1ccc(OC)c(NC(=O)c2cnn(-c3ccccc3Cl)c2NC(=O)c2ccco2)c1
d: CC(C)NC(=O)CCCN1C(=O)c2ccccc2Sc2ncccc21
e: CC(NC(=O)Cn1cc([N+](=O)[O-])cn1)c1ccc(C(C)(C)C)cc1
Answer: b. CCCNC(=O)CSc1nc2ccccc2c(=O)n1CCC
{#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)CSc1nc2ccccc2c(=O)n1CCC
CCCNC(=O)CSc1nc2ccccc2c(=O)n1CCC
2-(4-oxo-3-propylquinazolin-2-yl)sulfanyl-N-propylacetamide