How to use expression in over partition function

sum(a) over(partition by b order by c range between interval '1' day following and '7' day following)
the above query works fine
but i want to use like this
sum(a) over(partition by b order by c range between interval Trunc(Trunc(sysdate,'MONTH')+1,'MONTH') day following and '7' day following)
is it work ??

Balaji.tk wrote:
is it work ??Have you tried it? If not, have a go. ;)

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