Task: Answer the multiple-choice question.
Query: Which drug has a -13.509\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) Cn1c2ccccc2c2cnn(CC(=O)N3CCC4(CC3)OCCO4)c(=O)c21
b) CCOC(=O)N1CCN(S(=O)(=O)c2cc(OCC(=O)NC3CCCCC3)c(C)cc2Cl)CC1
c) CCc1cc2c(=O)[nH]c(Cc3ccc(OC)cc3)nc2s1
d) CCn1c(SCc2ccccc2Cl)nc2ccccc21
Answer: b. CCOC(=O)N1CCN(S(=O)(=O)c2cc(OCC(=O)NC3CCCCC3)c(C)cc2Cl)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#}
ethyl 4-[2-chloro-5-[2-(cyclohexylamino)-2-oxoethoxy]-4-methylphenyl]sulfonylpiperazine-1-carboxylate