You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-3-amino-2-[(6-cyclopropylimidazo[1,2-a]pyridin-2-yl)methyliminomethyl]prop-2-enoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H16N4O2
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