Problem statement: Answer the multiple-choice question.
Question: Which compound has a 5.921\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CCOc1ccc(C(C)=O)cc1COC(=O)c1cc([N+](=O)[O-])ccc1N1CCOCC1
b. N#Cc1nc(-c2ccc(OCc3ccc(Cl)cc3)cc2)oc1N1CCC(C(N)=O)CC1
c. NNC(=O)CSCc1nc(-c2ccccc2)cs1
d. CN1C(=O)C(CC(=O)Nc2ccc(Cl)cc2)N(Cc2ccco2)C1=S
Answer: a. CCOc1ccc(C(C)=O)cc1COC(=O)c1cc([N+](=O)[O-])ccc1N1CCOCC1
{#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#}
CCOc1ccc(C(C)=O)cc1COC(=O)c1cc([N+](=O)[O-])ccc1N1CCOCC1
CCOc1ccc(C(C)=O)cc1COC(=O)c1cc([N+](=O)[O-])ccc1N1CCOCC1
(5-acetyl-2-ethoxyphenyl)methyl 2-morpholin-4-yl-5-nitrobenzoate