Task: Answer the multiple-choice question.
Question: Which compound exhibits a -1.980\% 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 additional words.
Options:
[a] Cn1c(Cc2cccc3ccccc23)nnc1SCc1ccc([N+](=O)[O-])cc1
[b] Cc1ccnc(NCc2ccc(Br)cc2)c1
[c] CCOC(=O)N1CCN(Cc2ccc(OCC(O)CN3CCCCC3)cc2)CC1
[d] Cc1cccc2c1cnn2C(=O)Nc1cc(F)ccc1F
[e] Cc1ccc2nc(C)cc(C(=O)OCC(=O)Nc3cccnc3Cl)c2c1
Answer: a. Cn1c(Cc2cccc3ccccc23)nnc1SCc1ccc([N+](=O)[O-])cc1
{#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#}
Cn1c(Cc2cccc3ccccc23)nnc1SCc1ccc([N+](=O)[O-])cc1
Cn1c(Cc2cccc3ccccc23)nnc1SCc1ccc([N+](=O)[O-])cc1
4-methyl-3-(naphthalen-1-ylmethyl)-5-[(4-nitrophenyl)methylsulfanyl]-1,2,4-triazole