Task: Answer the MCQ question.
Query: Which compound has a 6.912\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a.) CCN1CCN(c2ccc(S(=O)(=O)N3CCCCC3)cc2NC(=O)c2cccc(C)c2[N+](=O)[O-])CC1
b.) CC(=O)c1cccc(N2Cc3ccccc3C2=NC(=O)CCl)c1
c.) O=c1[nH]c(N/N=C/c2ccccc2Br)nnc1-c1ccccc1
d.) CCCCOc1ncnc2c1[nH]c1ccc(OCC)cc12
e.) COC(=O)c1ccc(NC(=O)CCNS(=O)(=O)c2cccc3nonc23)cc1
Answer: d. CCCCOc1ncnc2c1[nH]c1ccc(OCC)cc12
{#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#}
CCCCOc1ncnc2c1[nH]c1ccc(OCC)cc12
CCCCOc1ncnc2c1[nH]c1ccc(OCC)cc12
4-butoxy-8-ethoxy-5H-pyrimido[5,4-b]indole