You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [8'-tert-butyl-2'-(2-methylpropyl)-22-naphthalen-2-ylspiro[3-oxa-22-aza-15-azoniahexacyclo[11.10.0.02,10.04,9.015,23.016,21]tricosa-1(13),2(10),4,6,8,11,15(23),16,18,20-decaene-14,6'-pyrido[2,1-a]isoindol-5-ium]-3'-yl]-trimethylsilane into molecular formula.
user
C52H49N3OSi+2
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