Task: Answer the multiple-choice question.
Question: Which drug has a 12.042\% 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) CCC1CCCCN1C(=O)Cn1c(C(=O)OC)cc2sc(Cl)cc21
b) Cc1cc(OCC(=O)NCC(C)C)cc(C)c1Br
c) CCC(C)(CN(C)C)OC(=O)c1ccccc1.Cl
d) Cc1nc(C)c(C(=O)C2=C(O)C(=O)N(CCN3CCOCC3)C2c2ccco2)s1
e) COCCNC(=O)/C(C#N)=C/C=C/c1ccccc1[N+](=O)[O-]
Answer: a. CCC1CCCCN1C(=O)Cn1c(C(=O)OC)cc2sc(Cl)cc21
{#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#}
methyl 2-chloro-4-[2-(2-ethylpiperidin-1-yl)-2-oxoethyl]thieno[3,2-b]pyrrole-5-carboxylate