Task: Answer the MCQ question.
Question: Which compound exhibits a 3.541\% 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, or d without using any other words.
Options:
(a) CCOC(=O)C1=C(C)N(C)C(=O)NC1c1ccccc1OC
(b) Cc1nc(SCC(=O)NCC2CCCO2)c(C#N)c(C)c1C
(c) Cc1ccc(CC(=O)Nc2ccc(S(=O)(=O)Nc3nccc(C)n3)cc2)cc1
(d) CCOC(=O)c1cc(-c2cccnc2)nn1-c1ccccc1C
Answer: a. CCOC(=O)C1=C(C)N(C)C(=O)NC1c1ccccc1OC
{#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#}
CCOC(=O)C1=C(C)N(C)C(=O)NC1c1ccccc1OC
CCOC(=O)C1=C(C)N(C)C(=O)NC1c1ccccc1OC
ethyl 6-(2-methoxyphenyl)-3,4-dimethyl-2-oxo-1,6-dihydropyrimidine-5-carboxylate