Task: Answer the multiple choice question.
Question: Which compound has a -0.333\% 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. CCc1ccccc1NC(=O)N[C@@H](C)C(=O)O
b. CCCCCC(=O)Nc1c(-c2ccc(OC)cc2)c(=O)c2ccccc2n1C
c. Cc1c(CCC(=O)NCCC(=O)O)c(=O)oc2c(C)c3oc4c(c3cc12)CCCC4
d. COc1ccc(NC(=O)CSc2nncc3ccccc23)cc1
e. CC(CC(=O)Nc1ccccc1)NCCCN1CCCC1=O.O=C(O)C(=O)O
Answer: a. CCc1ccccc1NC(=O)N[C@@H](C)C(=O)O
{#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#}
CCc1ccccc1NC(=O)N[C@@H](C)C(=O)O
CCc1ccccc1NC(=O)N[C@@H](C)C(=O)O
(2S)-2-[(2-ethylphenyl)carbamoylamino]propanoic acid