Task: Answer the multiple-choice question.
Query: Which compound exhibits a 4.224\% 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) Cc1[nH+]csc1CCOC(=O)c1cccc([N+](=O)[O-])c1.[Cl-]
(b) O=C(Nc1ccc(Oc2ccsc2C(=O)O)cc1)c1ccccc1
(c) CC(Oc1ccc2c3c(c(=O)oc2c1)CCCC3)C(=O)NC1CC(C)(C)NC(C)(C)C1
(d) CCC1=C(C(=O)OC)C(c2cc(OC)ccc2OC)C(C#N)=C(N)O1
Answer: a. Cc1[nH+]csc1CCOC(=O)c1cccc([N+](=O)[O-])c1.[Cl-]
{#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#}
Cc1[nH+]csc1CCOC(=O)c1cccc([N+](=O)[O-])c1.[Cl-]
Cc1[nH+]csc1CCOC(=O)c1cccc([N+](=O)[O-])c1.[Cl-]
2-(4-methyl-1,3-thiazol-3-ium-5-yl)ethyl 3-nitrobenzoate;chloride