You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 3-amino-4-cyano-1-[5-(5,7-dimethyl-1,3-benzoxazol-2-yl)-2-methylphenyl]pyrrole-2-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H20N4O3
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