Task: Answer the multiple choice question.
Query: Which drug has a 2.843\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) CCCCC1(C(=O)OCC)CC(CN2CCOCC2)OC1=O
b.) CCCn1c(=S)[nH]c2cc(C(=O)N3CCc4ccccc4C3)ccc2c1=O
c.) Cl.NCCc1ccn[nH]1
Answer: a. CCCCC1(C(=O)OCC)CC(CN2CCOCC2)OC1=O
{#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#}
CCCCC1(C(=O)OCC)CC(CN2CCOCC2)OC1=O
CCCCC1(C(=O)OCC)CC(CN2CCOCC2)OC1=O
ethyl 3-butyl-5-(morpholin-4-ylmethyl)-2-oxooxolane-3-carboxylate