You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [2-[(6-amino-1-butyl-2,4-dioxopyrimidin-5-yl)-ethylamino]-2-oxoethyl]-[(4-chlorophenyl)methyl]-methylazanium ?
user
C20H29ClN5O3+
assistant