Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 12.031\% 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: COc1ccc(CCN(C)C(=O)N2CCOCC2)cc1OC
b: CCOC(=O)c1cc(NC(=O)C2CCCO2)cc(C(=O)OCC)c1
c: Cc1ccc(N(Cc2cc3ccccc3[nH]c2=O)S(C)(=O)=O)cc1
d: CCCCOC(=O)Nc1ccc(C(=O)OC)cc1
e: Cc1[nH]nc2nc(SCC(=O)NCC3CCCO3)n(-c3ccc(Br)cc3)c(=N)c12
Answer: a. COc1ccc(CCN(C)C(=O)N2CCOCC2)cc1OC
{#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-[2-(3,4-dimethoxyphenyl)ethyl]-N-methylmorpholine-4-carboxamide