Task: Answer the multiple-choice question.
Question: Which compound exhibits a -17.429\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. CCc1ccc(S(=O)(=O)N2CCCC(N3CCN(c4ccc(OC)cc4)CC3)C2)cc1
b. O=C(Cc1ccccc1)NC1CCN(C(=O)c2ccc([N+](=O)[O-])cc2)CC1
c. COc1cccc(NC(=O)NC2(C(F)(F)F)Oc3ccccc3O2)c1
d. CCOC(=O)C1=C(C)N(C)C(=O)NC1c1cc2c(cc1[N+](=O)[O-])OCO2
e. COc1ccccc1Cn1c(CCCO)nc2ccccc21
Answer: b. O=C(Cc1ccccc1)NC1CCN(C(=O)c2ccc([N+](=O)[O-])cc2)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#}
O=C(Cc1ccccc1)NC1CCN(C(=O)c2ccc([N+](=O)[O-])cc2)CC1
O=C(Cc1ccccc1)NC1CCN(C(=O)c2ccc([N+](=O)[O-])cc2)CC1
N-[1-(4-nitrobenzoyl)piperidin-4-yl]-2-phenylacetamide