You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 4-[17-(diaminomethylideneamino)-9,12-dihydroxy-2,6,6,25,26-pentamethyl-5,28-dioxo-8-(2-phenylethenyl)-18-heptacyclo[22.3.1.02,7.09,27.012,26.014,19.014,25]octacosa-1(27),10,15-trienyl]-4-hydroxy-2-methylbut-2-enoic acid .
user
C47H59N3O7
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