Task: Answer the MCQ question.
Question: Which compound has a 4.249\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCn1c2ccccc2c2nnc(SCC(=O)Nc3c(C)n(C)n(-c4ccccc4)c3=O)nc21
b: CCOC(=O)c1ccc(CNCc2ccccc2)cc1
c: Cc1cccc(C)c1OCC(=O)N(Cc1ccc(Cl)cc1)C1CCS(=O)(=O)C1
d: CCCc1cc(=O)n2[nH]c(CCc3ccccc3)nc2n1
Answer: b. CCOC(=O)c1ccc(CNCc2ccccc2)cc1
{#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)c1ccc(CNCc2ccccc2)cc1
CCOC(=O)c1ccc(CNCc2ccccc2)cc1
ethyl 4-[(benzylamino)methyl]benzoate