Task: Answer the MCQ question.
Query: Which compound exhibits a 1.840\% human ether-à-go-go related gene (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 additional words.
Options:
a: CCOc1ccccc1CNC(=O)c1cn(C)c(=O)c2c1c1ccccc1n2C
b: CCCc1nn2c(=O)cc(CSCC(=O)Nc3ccc(C)cc3)nc2s1
c: CCOc1cccc(-c2nnc3sc(-c4cccs4)nn23)c1
d: CCN(CC)C(=O)c1nc[nH]c1C(=O)N(C)Cc1ccccc1
e: CCc1ccc2c(COC(=O)CNS(=O)(=O)c3ccc(NC(C)=O)cc3)cc(=O)oc2c1
Answer: c. CCOc1cccc(-c2nnc3sc(-c4cccs4)nn23)c1
{#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#}
CCOc1cccc(-c2nnc3sc(-c4cccs4)nn23)c1
CCOc1cccc(-c2nnc3sc(-c4cccs4)nn23)c1
3-(3-ethoxyphenyl)-6-thiophen-2-yl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole