
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 general term formula of the sequence $\\{a_{n}\\}$ as $a_{n}=\\log _{2} \\dfrac {n+1}{n+2}(n∈N\*)$, and the sum of the first $n$ terms denoted as $S_{n}$, the smallest natural number $n$ that makes $S_{n} < -5$ true is \_\_\_\_\_\_.

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