Task: Answer the MCQ question.
Question: Which drug exhibits a 7.779\% 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 CCN1CCCC1CNC(=O)c1ccc2c(c1)NC(=O)/C(=C\c1ccc(C)cc1)S2
b Cc1oc2c(CN3CCCCC3C)c(O)ccc2c(=O)c1-c1ccc(Br)cc1
c Cc1ccc2nc3ccc(N4CCCC4)nn3c(=O)c2c1
d S=c1[nH]nc(Cn2cnc3ccccc32)n1-c1ccccc1Cl
Answer: c. Cc1ccc2nc3ccc(N4CCCC4)nn3c(=O)c2c1
{#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#}
Cc1ccc2nc3ccc(N4CCCC4)nn3c(=O)c2c1
Cc1ccc2nc3ccc(N4CCCC4)nn3c(=O)c2c1
8-methyl-2-pyrrolidin-1-ylpyridazino[6,1-b]quinazolin-10-one