You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2R)-2-(2-aminoethyl)-N-[(8S,11R,14S)-3,18-bis(2-aminoethoxy)-8-(3-cyanopropanoyl)-11-methyl-10,13-dioxo-9-azatricyclo[13.3.1.12,6]icosa-1(18),2,4,6(20),15(19),16-hexaen-14-yl]-4-[4-(cyclohexylmethoxy)-2-methylphenyl]-N-methyl-4-oxobutanamide into molecular formula.
user
C49H64N6O8
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