Task: Answer the multiple choice question.
Query: Which compound has a -22.166\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCN(CC)CCN(Cc1cc2cc(C)ccc2[nH]c1=O)C(=O)Nc1ccccc1OC
[b] CCCS(=O)(=O)N1CCN(C2CCC(C)CC2)CC1.O=C(O)C(=O)O
Answer: a. CCN(CC)CCN(Cc1cc2cc(C)ccc2[nH]c1=O)C(=O)Nc1ccccc1OC
{#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#}
CCN(CC)CCN(Cc1cc2cc(C)ccc2[nH]c1=O)C(=O)Nc1ccccc1OC
CCN(CC)CCN(Cc1cc2cc(C)ccc2[nH]c1=O)C(=O)Nc1ccccc1OC
1-[2-(diethylamino)ethyl]-3-(2-methoxyphenyl)-1-[(6-methyl-2-oxo-1H-quinolin-3-yl)methyl]urea