HELP WITH SOLVING COMPOUND FORMULAS QUICJ PLEASE

solve the chemical compounds and give the chemical formula for
2.
C=46.66%
H=4.48%
N=31.10%
O=17.76%

4.
C=15.86%,
H=2.22%,
N=18.51%,
O=63.41%

5.
C=75.42%
H=2.22%
N=8.38%
O=9.57%

and
C=37.01%
H=2.22%
N=18.50%
O=42.27%