Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 19.149\% 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] COCc1[nH][nH]c(=O)c1/C=N/N1CCOCC1
[b] O=C(NCCN1CCOCC1)c1ccc2c(c1)N(Cc1ccccc1F)C(=O)c1ccccc1S2
[c] COc1cc2c(cc1OC)-c1c3c(cc4c1[C@@H](C2)N(C)CC4)OCO3
[d] CCn1c(=O)c([N+](=O)[O-])c(Cl)c2ccccc21
Answer: d. CCn1c(=O)c([N+](=O)[O-])c(Cl)c2ccccc21
{#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#}
CCn1c(=O)c([N+](=O)[O-])c(Cl)c2ccccc21
CCn1c(=O)c([N+](=O)[O-])c(Cl)c2ccccc21
4-chloro-1-ethyl-3-nitroquinolin-2-one