Splitting of words in two statements in SQL using INSTR and SUBSTR functions

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select substr(‘One Hundred Ninety Five Thousand Two Hundred Seventeen Qatari Riyals And Twenty Six Dirhams*****’, 0, case when instr(‘One Hundred Ninety Five Thousand Two Hundred Seventeen Qatari Riyals And Twenty Six Dirhams*****’, ‘ ‘,45, 1)= 0 then 45 else instr(‘One Hundred Ninety Five Thousand Two Hundred Seventeen Qatari Riyals And Twenty Six Dirhams*****’, ‘ ‘,45, 1) end) first_var
, substr(‘One Hundred Ninety Five Thousand Two Hundred Seventeen Qatari Riyals And Twenty Six Dirhams*****’, instr(‘One Hundred Ninety Five Thousand Two Hundred Seventeen Qatari Riyals And Twenty Six Dirhams*****’, ‘ ‘,45, 1), case when instr(‘One Hundred Ninety Five Thousand Two Hundred Seventeen Qatari Riyals And Twenty Six Dirhams*****’, ‘ ‘,45, 1)>45 then instr(‘One Hundred Ninety Five Thousand Two Hundred Seventeen Qatari Riyals And Twenty Six Dirhams*****’, ‘ ‘,45, 1) else 0 end) sec_var from dual;