Task: Answer the MCQ question.
Question: Which compound exhibits a 4.510\% 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(=O)c(C(=O)Nc2ccccc2C)c(O)c2ccccc21
b. O=C(CC1C(=O)NCCN1Cc1ccccc1)NCCC1=CCCCC1
c. O=C(CSc1nnc(-c2ccccc2O)n1-c1ccccc1)Nc1cccc(C(=O)O)c1
d. CCCCCc1ccc(-c2nnc(N)s2)cc1
e. CN(c1ccccc1)c1ccc(/C=C/[N+](=O)[O-])cc1
Answer: a. CCn1c(=O)c(C(=O)Nc2ccccc2C)c(O)c2ccccc21
{#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#}
CCn1c(=O)c(C(=O)Nc2ccccc2C)c(O)c2ccccc21
CCn1c(=O)c(C(=O)Nc2ccccc2C)c(O)c2ccccc21
1-ethyl-4-hydroxy-N-(2-methylphenyl)-2-oxoquinoline-3-carboxamide