Assuming table name tblTable, name field FullName, and new field called Status,
UPDATE [tblTable] SET [tblTable].FullName= (Trim(Left([tblTable].[FullName],InStr([tblTable].[FullName],"(")-1))), [tblTable].Status = IIf(InStr([tblTable].[FullName],"(NS")>0,1,0);