
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
Let $f(x)=a\ln x+\dfrac{1}{2x}-\dfrac{3}{2}x+1$. The curve $y=f(x)$ attains extreme values at the point $(1,f(1))$.

(1) Find the value of $a$.

(2) Determine the intervals of monotonicity and the extreme values of the function $f(x)$.

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