Task: Answer the multiple choice question.
Query: Which compound exhibits a 3.454\% 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 COc1cc(C(=O)OCCN2CCOCC2)cc(OC)c1OC
b O=C(NCCc1ccccc1)c1cccc(N2CCCC2=O)c1
c CCOC(=O)NCCc1c(C)nc2c(c(C)nn2C(C)(C)C)c1C
d CCOc1ccc(NC(=S)N2C3CCCC2CC(NC(=O)C2CC2)C3)cc1
e NC(=O)CC(NC(=O)Cc1ccc(Br)cc1)c1ccc(N2CCN(c3ccccn3)CC2)c([N+](=O)[O-])c1
Answer: a. COc1cc(C(=O)OCCN2CCOCC2)cc(OC)c1OC
{#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#}
COc1cc(C(=O)OCCN2CCOCC2)cc(OC)c1OC
COc1cc(C(=O)OCCN2CCOCC2)cc(OC)c1OC
2-morpholin-4-ylethyl 3,4,5-trimethoxybenzoate