Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -0.807\% 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: Cc1cc(NS(=O)(=O)c2c(C)[nH]c(=O)[nH]c2=O)ccc1Br
b: NS(=O)(=O)c1ccc(NC(=S)NC(=O)/C=C/c2ccco2)cc1
c: CCOc1ccc(C2c3c(oc4ccccc4c3=O)C(=O)N2c2ccc(C)cn2)cc1OC
d: Cc1ccc2nc(C)cc(Cl)c2c1
Answer: c. CCOc1ccc(C2c3c(oc4ccccc4c3=O)C(=O)N2c2ccc(C)cn2)cc1OC
{#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#}
CCOc1ccc(C2c3c(oc4ccccc4c3=O)C(=O)N2c2ccc(C)cn2)cc1OC
CCOc1ccc(C2c3c(oc4ccccc4c3=O)C(=O)N2c2ccc(C)cn2)cc1OC
1-(4-ethoxy-3-methoxyphenyl)-2-(5-methylpyridin-2-yl)-1H-chromeno[2,3-c]pyrrole-3,9-dione