You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[[4-[8-amino-3-[(5S)-3-oxabicyclo[3.1.0]hexan-6-yl]imidazo[1,5-a]pyrazin-1-yl]phenyl]-methoxymethyl]-6-methyl-4,5,6,7-tetrahydro-1,3-benzothiazol-2-amine by IUPAC nomenclature, provide its molecular formula.
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C27H30N6O2S
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