You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(Z)-[4-[(2,4-dichlorophenyl)methoxy]-3-ethoxy-5-iodophenyl]methylideneamino]naphthalene-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H21Cl2IN2O3
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