Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 3.357\% 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 COc1ccc(/C=C/C(=O)Nc2ccc(-n3nncc3-c3ccccc3)cc2)cc1OC
b CCOC(=O)COn1c(=O)c(-c2ccco2)[n+]([O-])c2ccccc21
c CN(C)CCNC(=O)Cn1nc(C(F)F)cc1C1CC1
d Cc1nc2ccccc2c2oc(C(=O)N3CCN(C(=O)c4ccco4)CC3)cc12
e CCOC(=O)N1CCN(S(=O)(=O)c2ccc3[nH]cc(C(=O)O)c(=O)c3c2)CC1
Answer: b. CCOC(=O)COn1c(=O)c(-c2ccco2)[n+]([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#}
CCOC(=O)COn1c(=O)c(-c2ccco2)[n+]([O-])c2ccccc21
CCOC(=O)COn1c(=O)c(-c2ccco2)[n+]([O-])c2ccccc21
ethyl 2-[3-(furan-2-yl)-4-oxido-2-oxoquinoxalin-4-ium-1-yl]oxyacetate