Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 18.052\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. COc1ccc([N+](=O)[O-])cc1N(CC1CO1)S(=O)(=O)c1ccc(C)cc1
b. Br.COc1ccc(-c2csc(C3CCOC(C)C3)n2)cc1
c. Cc1ccc(Cn2c(C(C)Nc3nc(-c4ccc(Cl)c([N+](=O)[O-])c4)cs3)nc3cc(C(F)(F)F)ccc32)cc1
Answer: a. COc1ccc([N+](=O)[O-])cc1N(CC1CO1)S(=O)(=O)c1ccc(C)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#}
COc1ccc([N+](=O)[O-])cc1N(CC1CO1)S(=O)(=O)c1ccc(C)cc1
COc1ccc([N+](=O)[O-])cc1N(CC1CO1)S(=O)(=O)c1ccc(C)cc1
N-(2-methoxy-5-nitrophenyl)-4-methyl-N-(oxiran-2-ylmethyl)benzenesulfonamide