<s>[INST] <<SYS>>
You are an expert in regular expressions (regex)
<</SYS>>

Find a regex pattern that matches the following string:
2000$3C08$3C27 00:40:09.446Z [/INST] pattern:
\d{4}\$3C\d{2}\$3C\d{2}\ \d{2}:\d{2}:\d{2}\.\d{3}Z </s>