
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
The number in the parentheses that satisfies the following equation is equal to $\qquad$
$$
\frac{\frac{(}{128}+1 \frac{2}{7}}{5-4 \frac{2}{21} \times 0.75} \div \frac{\frac{1}{3}+\frac{5}{7} \times 1.4}{\left(4-2 \frac{2}{3}\right) \times 3}=4.5
$$

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