Task: Answer the multiple choice question.
Question: Which compound has a 2.125\% 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 CCn1c(CNc2ccc(Cl)cc2)nnc1SCc1ccc(Cl)cc1
b COCC(=O)NC1CCN(C(=O)NCc2ccccc2)CC1
c O=C1CCN(CCc2ccccc2)CCN1[C@H](CSc1ccc(Br)cc1)Cc1ccccc1
d CCc1nc(NCCN2CCOCC2)c(C#N)c2c1CCCC2
e Cc1cc(N2CCCC2)ccc1/C=C1/C(=O)N(C)C(=S)N1C
Answer: b. COCC(=O)NC1CCN(C(=O)NCc2ccccc2)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#}
COCC(=O)NC1CCN(C(=O)NCc2ccccc2)CC1
COCC(=O)NC1CCN(C(=O)NCc2ccccc2)CC1
N-benzyl-4-[(2-methoxyacetyl)amino]piperidine-1-carboxamide