You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
The IUPAC name of a certain molecule is 4-butoxy-5-butyl-N-ethyl-6-methylpyrimidin-2-amine . Can you provide its SMILES representation?
user
CCCCOC1=NC(NCC)=NC(C)=C1CCCC
assistant