Answer:
Here’s what I get.
Explanation:
See the image below.
Step 1
Protonation of the carbonyl O atom to generate a highly electrophilic carbon atom,
Step 2
The lone pair on the N atom attacks the positively charged C atom.
Step 3
Intramolecular transfer of a proton from N to the ether O atom.
Step 4
Loss of methanol.
Step 5
Deprotonation of the O atom.
