You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (3S,6S,9R,12S,15S,23S)-15-[[(3R,6R,14R)-6-acetamido-3-[(4-chlorophenyl)methyl]-2,5,8-trioxo-1,4,9-triazacyclotetradecane-14-carbonyl]amino]-3-[3-(diaminomethylideneamino)propyl]-12-[(4-hydroxyphenyl)methyl]-6-(2-methylpropyl)-9-(naphthalen-2-ylmethyl)-2,5,8,11,14,17,22-heptaoxo-1,4,7,10,13,18,21-heptazabicyclo[21.3.0]hexacosane-20-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C67H87ClN16O14
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