Complete combustion of $4\mathrm{.}445g$ of a compound of carbon, hydrogen, and oxygen yielded $10\mathrm{.}10gC{O}_2$ and $4\mathrm{.}137g{H}_{2}O.$ When $19\mathrm{.}90g$ of the compound was dissolved in $286g$ of water, the freezing point of the solution was found to be $-1\mathrm{.}11C.$ For water, $K_{fp}=1\mathrm{.}86\frac{C}{m}.$ What is the molecular formula of the compound?

Enter the elements in the order $C,H,O$

molecular formula $=$