Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 0.160\% 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, c, or d without using any other words.
Options:
a) COc1ccccc1NC(=O)Cn1c(C)cc(=O)c2cc(Br)ccc21
b) COC(=O)CCN(C(C)=O)c1ccc(N)cc1
c) Cc1cc(NC(=O)CSc2ccc3nnc(CCNS(=O)(=O)c4ccccc4)n3n2)no1
d) CCCCOc1ccc(OCCNS(=O)(=O)N(C)C)cc1
Answer: d. CCCCOc1ccc(OCCNS(=O)(=O)N(C)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#}
1-butoxy-4-[2-(dimethylsulfamoylamino)ethoxy]benzene