The Unique command generates a new symbol with its name in $symbol form.

$\mathrm{with}\left(\mathrm{MmaTranslator}\left[\mathrm{Mma}\right]\right)\:$

$\mathrm{Unique}\left(\right)$

$\mathrm{dollar1}$

$\mathrm{with}\left(\mathrm{MmaTranslator}\right)\:$

$\mathrm{FromMma}\left(\mathrm{`Unique[]`}\,\mathrm{evaluate}\right)$

$\mathrm{dollar2}$