Ah, yes, I forgot to add values.

C1 omit and bypass, it's drawing error
R1 and R2 forms divider. Choose values to set about 2V signal level at output.
R2- 220ohm if Ua is about 200V
R4 1meg or so
C3 2uF or so, polypropylene, teflon or paper in oil


Sowter needn't to accept an offset DC, because there isn't any offset DC between (+)out and (-)out from DAC. Both of them have +2,5V potential according to the GND. So there is NO differential DC voltage between them (unless CS4397 is fried).