Task: Answer the multiple choice question.
Question: Which compound has a 2.869\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] COc1ccc(C(=O)OCC(=O)Nc2ncc([N+](=O)[O-])s2)cc1OC
[b] Nn1c(SCc2ccccc2)nc2ccccc21
[c] Cc1ccc(CN2C3CCCC2CC(NC(=S)NCc2ccccc2)C3)cc1
[d] Cc1c(Cl)cccc1-n1c(SCC(=O)NCc2cccs2)nnc1-c1ccncc1
Answer: b. Nn1c(SCc2ccccc2)nc2ccccc21
{#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#}
Nn1c(SCc2ccccc2)nc2ccccc21
Nn1c(SCc2ccccc2)nc2ccccc21
2-benzylsulfanylbenzimidazol-1-amine