
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
In the complex plane, $O$ is the origin, and the complex numbers represented by $\overrightarrow{OA}$, $\overrightarrow{OC}$, and $\overrightarrow{AB}$ are $-2+i$, $3+2i$, and $1+5i$, respectively. What is the complex number represented by $\overrightarrow{BC}$?

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