Task: Answer the MCQ question.
Query: Which compound exhibits a -1.776\% 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) CCOC(=O)c1c(NC(=O)C2CC2)sc(C)c1CC
(b) COc1cc(/C=C(\C#N)c2[nH]nc(N)c2C#N)cc(OC)c1O
(c) O=C(N/C(=C\c1cccs1)C(=O)N1CCCCCC1)c1ccccc1
(d) CSC1=N/C(=C\c2c(F)cccc2Cl)C(=O)S1
(e) CC1CN(c2ccccc2)NC1=O
Answer: a. CCOC(=O)c1c(NC(=O)C2CC2)sc(C)c1CC
{#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#}
ethyl 2-(cyclopropanecarbonylamino)-4-ethyl-5-methylthiophene-3-carboxylate