Task: Answer the MCQ question.
Question: Which drug has a 21.599\% 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 other words.
Options:
a) COc1cc2c(cc1OC)CN(Cc1cc(=O)n3c(-c4ccccc4)csc3n1)CC2
b) CCOc1ccc(C(=O)N(C)C2CCS(=O)(=O)C2)cc1
c) CC(C)(CN1CCN(C(c2ccccc2)c2ccccc2)CC1)NS(=O)(=O)c1ccccc1
d) COc1ccc(OCC(=O)Nc2ccccc2Cl)cc1
e) COCCNC(=O)c1c(NC(=O)c2ccc(Br)o2)n(Cc2ccccc2)c2nc3ccccc3nc12
Answer: b. CCOc1ccc(C(=O)N(C)C2CCS(=O)(=O)C2)cc1
{#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#}
N-(1,1-dioxothiolan-3-yl)-4-ethoxy-N-methylbenzamide