Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 2.517\% 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) Cn1c(=O)c([N+](=O)[O-])c(NCCc2ccccc2)c2ccccc21
b) c1nc(Nc2ccc(N3CCOCC3)cc2)c2ccsc2n1
c) COc1ccc(-c2csc(NC(=O)C3CC(=O)N(c4ccc5c(c4)OCCO5)C3)n2)cc1
d) Nc1cc(S(=O)(=O)O)cc([N+](=O)[O-])c1O
Answer: a. Cn1c(=O)c([N+](=O)[O-])c(NCCc2ccccc2)c2ccccc21
{#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#}
Cn1c(=O)c([N+](=O)[O-])c(NCCc2ccccc2)c2ccccc21
Cn1c(=O)c([N+](=O)[O-])c(NCCc2ccccc2)c2ccccc21
[1-methyl-2-oxo-4-(2-phenylethylamino)quinolin-3-yl]-oxido-oxoazanium