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Can you give the molecular formula of the molecule 1-[(2-bromophenyl)methyl]-3-[(1S,2S,4S,5'R,6R,7S,8R,9S,12S,13R,16R)-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icos-18-ene-6,2'-oxane]-16-yl]benzimidazol-1-ium;bromide ?
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C41H52Br2N2O2
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