You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 5-N-methyl-2-N-[4-(7H-pyrrolo[2,3-c]pyridazin-3-yl)cyclohexyl]-1,3,4-thiadiazole-2,5-diamine ?
user
C15H19N7S
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