Task: Answer the multiple choice question.
Question: Which compound exhibits a 18.827\% 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, d, or e without using any other words.
Options:
a: CCCCN(CCCC)S(=O)(=O)c1ccc(N2CCCC2=O)c([N+](=O)[O-])c1
b: CC(OC(=O)C1CSC2(C)CCC(=O)N12)C(=O)Nc1cccc(C#N)c1
c: CCOc1ccc(OCC(=O)Nc2cc3c(cc2C(=O)O)OCCCO3)cc1
d: Cc1ccc(-c2nnc(N)s2)cc1
e: CCOc1ccc(S(=O)(=O)Nc2ccc(Cl)cn2)c(C)c1C
Answer: b. CC(OC(=O)C1CSC2(C)CCC(=O)N12)C(=O)Nc1cccc(C#N)c1
{#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#}
CC(OC(=O)C1CSC2(C)CCC(=O)N12)C(=O)Nc1cccc(C#N)c1
CC(OC(=O)C1CSC2(C)CCC(=O)N12)C(=O)Nc1cccc(C#N)c1
[1-(3-cyanoanilino)-1-oxopropan-2-yl] 7a-methyl-5-oxo-2,3,6,7-tetrahydropyrrolo[2,1-b][1,3]thiazole-3-carboxylate