You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-methyl-1-[[2-(pyrazol-1-ylmethyl)phenyl]methyl]-3-spiro[2-oxabicyclo[3.2.0]heptane-7,1'-cyclobutane]-6-ylguanidine by IUPAC nomenclature, provide its molecular formula.
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C22H29N5O
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