Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 12.130\% 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, d, or e without using any other words.
Options:
a: CC(C)C(NC(=O)OCc1ccccc1)C(=O)O
b: CCCCOC(=O)COc1ccc(Cl)cc1Cl
c: O=C(Nc1ccc(Cl)cc1)Nc1nnc(SCc2ccccc2)s1
d: COCCn1c(SCC(=O)c2[nH]c(C)c(C(C)=O)c2C)nc2ccccc21
e: CN(C)CCNS(=O)(=O)c1ccc(N2CCN(c3ccc(F)cc3)CC2)c([N+](=O)[O-])c1
Answer: b. CCCCOC(=O)COc1ccc(Cl)cc1Cl
{#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#}
butyl2-(2,4-dichlorophenoxy)acetate