If it were 2 mo coolant it would have dried by now. Same for washer fluid.
Blue oil could be hydraulic fluid of some sort.
ATE superblue brake fluid is not very common anymore (it's been rendered illegal because the blue color supposedly confused service mechanics into letting people drive with leaky brakes).
Some brands of power steering fluid is also blueish. Not sure why that would appear in the trunk though.
Some pressurized dampers (like the one that keep the trunk open, and maybe some that help operate the roof) can leak oil, the oil color will vary with brand of damper. That's the most probable thing from that list.
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