
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]


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A radioactive substance continuously decays into other substances, with $\frac{3}{4}$ of its mass decaying every year. If the remaining mass of the substance is no more than 1% of the original, determine the minimum number of years required.

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