You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[4-[(4-tert-butylphenyl)methyl]piperazin-1-yl]methyl]-N-(3-fluorophenyl)-1,3-oxazole-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H31FN4O2
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