Answer
The lewis structure is shown in the picture.
Work Step by Step
1) Draw the structure in the sequence shown in the formula.
2) Count the number of valence electrons involved in the bonding, which is 20. There should be 1+1+1+4+4+5+1+4+1+1+1 =24 Make a one more bond between N and C. now there are 22 e.
3) Since O,C, H,N have already made the max bonds possible, place the remaining electrons as lone pairs, one on N.
4) Now count the valence electrons, it should be 24e.