You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[[2-cyano-3-(4-hydroxyphenyl)prop-2-enyl]-[2-(1-hydroxy-2,5-dioxopyrrolidin-1-ium-1-yl)oxy-2-oxoethyl]amino]acetic acid into its molecular formula.
user
C18H18N3O8+
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