Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 4.991\% 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 other words.
Options:
a) CNC[C@@H](Cc1ccccc1)NC[C@@H](CC1CCCCC1)NCCCc1ccccc1
b) O=c1[nH]c(CSc2nnc(-c3ccncc3)n2Cc2ccco2)nc2ccccc12
c) CCC(=Nc1ccccc1NC(C)=O)c1c(O)n(C)c(=O)n(C)c1=O
d) O=C1CC(c2ccccc2)CC(O)=C1C=NCCN1CCN(Cc2ccccc2)CC1
Answer: a. CNC[C@@H](Cc1ccccc1)NC[C@@H](CC1CCCCC1)NCCCc1ccccc1
{#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#}
CNC[C@@H](Cc1ccccc1)NC[C@@H](CC1CCCCC1)NCCCc1ccccc1
CNC[C@@H](Cc1ccccc1)NC[C@@H](CC1CCCCC1)NCCCc1ccccc1
(2R)-3-cyclohexyl-1-N-[(2R)-1-(methylamino)-3-phenylpropan-2-yl]-2-N-(3-phenylpropyl)propane-1,2-diamine