You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2,5-dichlorophenyl)methyl]-2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethanamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H14Cl2N4
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