Task: Answer the multiple-choice question.
Question: Which drug has a -5.048\% 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 additional words.
Options:
[a] COc1cc(-n2ccnc2SC)c(Cl)cc1Cl
[b] Cl.Nc1cccc(CCc2nc3ccccc3[nH]2)c1
[c] CN(C)S(=O)(=O)c1cccc(C(=O)Nc2cc(Cl)ccc2O)c1
[d] CC1(C)C(=O)OC(c2cccn2-c2cccc([N+](=O)[O-])c2)C2(CCCCC2)C1=O
Answer: b. Cl.Nc1cccc(CCc2nc3ccccc3[nH]2)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#}
Cl.Nc1cccc(CCc2nc3ccccc3[nH]2)c1
Cl.Nc1cccc(CCc2nc3ccccc3[nH]2)c1
3-[2-(1H-benzimidazol-2-yl)ethyl]aniline;hydrochloride