Task: Answer the MCQ question.
Query: Which compound has a 11.878\% 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.) CC(Nc1nc(N2CCCCC2)nc2ccccc12)c1ccccc1
b.) CNc1cnn(-c2ccccc2)c(=O)c1Cl
c.) COc1ccc(NC(=O)CN(C)C(=O)CNC(=O)c2cccs2)cc1
d.) CCOc1cccc(CN2CCCC(C(=O)Nc3ccc(-c4ccn[nH]4)cc3)C2)c1O
e.) CCCc1c(C(=O)O)cnn1-c1ccc(Cl)cc1
Answer: b. CNc1cnn(-c2ccccc2)c(=O)c1Cl
{#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#}
CNc1cnn(-c2ccccc2)c(=O)c1Cl
CNc1cnn(-c2ccccc2)c(=O)c1Cl
4-chloro-5-(methylamino)-2-phenylpyridazin-3-one