Channeling your inner BertrandB ? :- ).
I think the first one looks great. I think the second suffers from the foreground water. Not only does the water look very CGI-ish due to the unnatural eveneness of noise and odd scale, usually when shot like this would be taken at this light, the shutter would be long enough (even if it's just 1-2 seconds) that the water would be motion blurred. This would nicely put focus on the building.
(Simulating motion blurred river is not hard but simple reflection glossiness makes similar effect).