You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[3-ethyl-4-[4-(2-methyl-1,3-dioxolan-2-yl)phenyl]-1,5,7-triazatricyclo[7.3.0.02,6]dodeca-2(6),3,7,9,11-pentaen-5-yl]methoxy]ethyl-trimethylsilane;3-[7-ethyl-6-[4-(2-methyl-1,3-dioxolan-2-yl)phenyl]-5-(2-trimethylsilylethoxymethyl)pyrrolo[2,3-b]pyrazin-2-yl]propane-1,2-diol is the IUPAC name of a molecule. Please give its molecular formula.
user
C54H74N6O8Si2
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