Task: Answer the MCQ question.
Query: Which drug has a -21.726% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. Cc1ccc(Sc2nc(-c3ccccc3)nnc2C(F)(F)F)cc1
b. CCOC(=O)Cn1cnc(-c2ccc([N+](=O)[O-])cc2)c1
c. CCO[C@H]1OC(C(=O)Nc2ccccc2)=C[C@@H](c2cn(C(C)=O)c3ccccc23)[C@@H]1CCCO
d. CCOC(=O)N1CCC(c2cc(=O)n3[nH]c(C)c(-c4ccc(F)cc4)c3n2)CC1
Answer: b. CCOC(=O)Cn1cnc(-c2ccc([N+](=O)[O-])cc2)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOC(=O)Cn1cnc(-c2ccc([N+](=O)[O-])cc2)c1
CCOC(=O)Cn1cnc(-c2ccc([N+](=O)[O-])cc2)c1
ethyl 2-[4-(4-nitrophenyl)imidazol-1-yl]acetate