Task: Answer the MCQ question.
Query: Which drug has a 16.951\% 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) COCN1C=Nc2cccc3cccc1c23
(b) CCn1c(SCc2nc3ccccc3[nH]2)nnc1-c1cnccn1
(c) CCOC(=O)/C=C/C(=O)Nc1ccc(S(=O)(=O)N2CCCCCC2)cc1
(d) O=C(CCCCCN1C(=O)c2ccccc2C1=O)NCc1ccco1
Answer: a. COCN1C=Nc2cccc3cccc1c23
{#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#}
COCN1C=Nc2cccc3cccc1c23
COCN1C=Nc2cccc3cccc1c23
1-(methoxymethyl)perimidine