You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5E)-5-[[bis(2-hydroxyethyl)amino]-hydroxymethylidene]-6-(3-nitrophenyl)-1,3-diazinane-2,4-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H18N4O7
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