
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 $f(x)=ax(x+1)-\ln x$.
(1) When $a=1$, find the equation of the tangent line to $f(x)$ at the point $(1,f(1))$;
(2) If the function $g(x)=f(x)+\ln x-ax^{2}+e^{x}$, find the extreme values of $g(x)$ when $a < -1$.

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