Task: Answer the MCQ question.
Query: Which compound exhibits a -18.319% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCOC(=O)Cn1c(=O)c2c(nc(Br)n2Cc2ccc(Cl)cc2)n(C)c1=O
b: CC(C)NC(=O)Cn1c(SCC(=O)c2ccc(F)cc2)nc2ccccc21
c: Cc1ccc(C(=O)Nc2ccc(OCc3ccccc3)cc2)cc1[N+](=O)[O-]
d: CS(=O)(=O)c1ccc2nc(NC(=O)c3cccc(NS(=O)(=O)c4ccc(F)c(F)c4)c3)sc2c1
Answer: a. CCOC(=O)Cn1c(=O)c2c(nc(Br)n2Cc2ccc(Cl)cc2)n(C)c1=O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOC(=O)Cn1c(=O)c2c(nc(Br)n2Cc2ccc(Cl)cc2)n(C)c1=O
CCOC(=O)Cn1c(=O)c2c(nc(Br)n2Cc2ccc(Cl)cc2)n(C)c1=O
ethyl 2-[8-bromo-7-[(4-chlorophenyl)methyl]-3-methyl-2,6-dioxopurin-1-yl]acetate