Task: Answer the multiple choice question.
Query: Which drug has a -5.917\% 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 CC[n+]1c(/C=C/C=C/N(C(C)=O)c2ccccc2)sc2ccccc21.[I-]
b CN(CCCC(=O)NCCc1ccccc1)S(=O)(=O)c1ccc([N+](=O)[O-])cc1
c CN1CCN(C(c2cc3cc4c(cc3[nH]c2=O)OCCO4)c2nnnn2C2CCCC2)CC1
d O=C(Oc1c(CN2CCOCC2)cc(Cl)c2cccnc12)c1ccccc1
Answer: b. CN(CCCC(=O)NCCc1ccccc1)S(=O)(=O)c1ccc([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#}
CN(CCCC(=O)NCCc1ccccc1)S(=O)(=O)c1ccc([N+](=O)[O-])cc1
CN(CCCC(=O)NCCc1ccccc1)S(=O)(=O)c1ccc([N+](=O)[O-])cc1
4-[methyl-(4-nitrophenyl)sulfonylamino]-N-(2-phenylethyl)butanamide