You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2S)-2-cyclopentyl-2-[(5S)-2-[(2R,3R)-3-cyclopropylaziridine-2-carbonyl]-2,7-diazaspiro[4.4]nonan-7-yl]-N-[(7S,13S)-20-[5-(4-cyclopropylpiperazin-1-yl)-2-propan-2-ylpyridin-3-yl]-21-ethyl-17,17-dimethyl-8,14-dioxo-15-oxa-4-thia-9,21,27,28-tetrazapentacyclo[17.5.2.12,5.19,13.022,26]octacosa-1(25),2,5(28),19,22(26),23-hexaen-7-yl]acetamide into molecular formula.
user
C61H83N11O5S
assistant