You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-1-[[5-(4-methoxyphenoxy)-1-methyl-3-phenylpyrazol-4-yl]methyl-(2-methylpropyl)amino]butan-2-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H35N3O3
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