Task: Answer the MCQ question.
Question: Which drug has a 13.793\% 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 additional words.
Options:
a COc1ccc2[nH]c3c(C)c4ccncc4c(C)c3c2c1
b CC(=O)Nc1cc(Br)ccc1O
c COc1ccc(NC(=O)c2ccc(-c3ccccc3C(F)(F)F)o2)cc1
d CCc1nn2c(=O)c(S(=O)(=O)Nc3ccc(Cl)cc3)c(C)nc2s1
Answer: a. COc1ccc2[nH]c3c(C)c4ccncc4c(C)c3c2c1
{#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#}
9-methoxy-5,11-dimethyl-6H-pyrido[4,3-b]carbazole