Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 6.550\% 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 additional words.
Options:
a. CC(NC(=O)c1ccc2nc[nH]c2c1)c1ccccc1
b. CCN1CCN(Cc2ccc(OCc3ccccc3)cc2)CC1
c. Cc1occc1C(=O)NCc1cccc(CNC(=O)c2ccoc2C)c1
d. Cc1ccc2nc(-c3ccc(NS(=O)(=O)c4c(C)n(C)c(=O)n(C)c4=O)cc3)sc2c1
Answer: b. CCN1CCN(Cc2ccc(OCc3ccccc3)cc2)CC1
{#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#}
CCN1CCN(Cc2ccc(OCc3ccccc3)cc2)CC1
CCN1CCN(Cc2ccc(OCc3ccccc3)cc2)CC1
1-ethyl-4-[(4-phenylmethoxyphenyl)methyl]piperazine