Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 7.798\% 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 other words.
Options:
a CCOC(=O)C1CCCN(C(=O)CS(=O)(=O)Cc2ccccc2)C1
b O=C(COc1ccccc1)Nc1cc(S(=O)(=O)N2CCOCC2)ccc1N1CCCC1
c CC1(C)C=Cc2c(c3ccccc3[nH]c2=O)O1
d CCOC(=O)COc1cnc2ccccc2n1
e OCCN1C[C@H](O)[C@@H](O)[C@H](O)[C@H]1CO
Answer: d. CCOC(=O)COc1cnc2ccccc2n1
{#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#}
CCOC(=O)COc1cnc2ccccc2n1
CCOC(=O)COc1cnc2ccccc2n1
ethyl 2-quinoxalin-2-yloxyacetate