You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[4-amino-6-[[2-hydroxy-3-(N-methylanilino)propyl]amino]-5-nitropyridin-2-yl]-N-ethylcarbamate into molecular formula.
user
C18H23N6O5-
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