
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
A unit of blood expires after $7!=7\cdot 6 \cdot 5 \cdot 4 \cdot 3 \cdot 2 \cdot 1$ seconds. Ali donates a unit of blood at 6 PM on January 1. Determine the exact time and day when his unit of blood expires.
A) 7:24 PM on January 1
B) 9:24 PM on January 1
C) 10:24 PM on January 1
D) 8:24 AM on January 2

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