Task: Answer the multiple-choice question.
Query: Which compound exhibits a -0.626\% 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 O=C1/C(=C/c2ccc3c(c2)OCO3)Oc2cc(OCC(=O)N3CC(O)C[C@H]3C(=O)O)ccc21
b COc1ccc([C@@H]2C(C#N)=C(N)S[C@@H](c3ccccc3)[C@@H]2[N+](=O)[O-])cc1
c O=C(Cc1coc2ccc3ccccc3c12)N1CCCC1
d CN(C)c1c([N+](=O)[O-])ncn1C
Answer: a. O=C1/C(=C/c2ccc3c(c2)OCO3)Oc2cc(OCC(=O)N3CC(O)C[C@H]3C(=O)O)ccc21
{#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#}
O=C1/C(=C/c2ccc3c(c2)OCO3)Oc2cc(OCC(=O)N3CC(O)C[C@H]3C(=O)O)ccc21
O=C1/C(=C/c2ccc3c(c2)OCO3)Oc2cc(OCC(=O)N3CC(O)C[C@H]3C(=O)O)ccc21
(2S)-1-[2-[[(2Z)-2-(1,3-benzodioxol-5-ylmethylidene)-3-oxo-1-benzofuran-6-yl]oxy]acetyl]-4-hydroxypyrrolidine-2-carboxylic acid