Problem statement: Answer the multiple-choice question.
Query: Which compound has a 4.449\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CCc1c(C)nc2ncnn2c1Nc1ccccc1C
b COc1cccc(C2/C(=C(\O)c3ccc4c(c3)OCCO4)C(=O)C(=O)N2CCCN2CCOCC2)c1OC
c COc1cccc(NC(=O)CN2C(=O)C3(OCCCO3)c3ccccc32)c1
d Cn1nc(-c2ccc(NCCCO)c([N+](=O)[O-])c2)c2ccccc2c1=O
Answer: a. CCc1c(C)nc2ncnn2c1Nc1ccccc1C
{#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#}
CCc1c(C)nc2ncnn2c1Nc1ccccc1C
CCc1c(C)nc2ncnn2c1Nc1ccccc1C
6-ethyl-5-methyl-N-(2-methylphenyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine