You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-[(1-cyclopropylcyclobutyl)methyl]-3-[(4,5-dichloro-1-methylpyrrol-2-yl)methyl]-2-methylguanidine into molecular formula.
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C16H24Cl2N4
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