Task: Answer the multiple choice question.
Question: Which compound has a -2.668\% 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) CCOc1ccccc1C1C(C#N)=C(N)Oc2cc(C)n(Cc3ccccn3)c(=O)c21
(b) CN(C)CCCNc1ncnc2sc(-c3ccccc3)cc12.O=C(O)C(=O)O
(c) COc1ccccc1N1CCN(/N=C/c2cc([N+](=O)[O-])ccc2Cl)CC1
(d) Cc1ccc(C2CC(C(F)(F)F)n3nc(C(=O)NCc4ccco4)cc3N2)cc1
(e) CC1(C)CC2CC(C)(CN2C(=O)C23CCC(C)(C(=O)C2)C3(C)C)C1
Answer: a. CCOc1ccccc1C1C(C#N)=C(N)Oc2cc(C)n(Cc3ccccn3)c(=O)c21
{#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#}
CCOc1ccccc1C1C(C#N)=C(N)Oc2cc(C)n(Cc3ccccn3)c(=O)c21
CCOc1ccccc1C1C(C#N)=C(N)Oc2cc(C)n(Cc3ccccn3)c(=O)c21
2-amino-4-(2-ethoxyphenyl)-7-methyl-5-oxo-6-(pyridin-2-ylmethyl)-4H-pyrano[3,2-c]pyridine-3-carbonitrile