You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [4-[(4-acetamido-5-chloro-2-methoxybenzoyl)amino]-1-(pyridin-2-ylmethyl)piperidin-3-yl] acetate into molecular formula.
user
C23H27ClN4O5
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