
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given the function $f(x)= \frac {x}{\ln x}-ax+b$ has a tangent line at point $(e,f(e))$ with the equation $y=-ax+2e$.  
(I) Find the value of the real number $b$;  
(II) If there exists $x\in[e,e^{2}]$ such that $f(x)\leqslant \frac {1}{4}+e$, find the range of values for the real number $a$.

Present the answer in LaTex format: \boxed{Your answer}
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