
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
Simplify first, then evaluate: $3a^2b+2(ab-\frac{3}{2}a^2b)-[2ab^2-(3ab^2-ab)]$, where $a$ is the smallest positive integer, and $b$ is the opposite of $a$.

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