You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (4S,5R,7R)-1-[5-[[(12S,16R)-8-(diaminomethyl)-12-hydroxy-2-aza-17-azoniatetracyclo[15.2.1.04,19.06,11]icosa-1(20),2,4(19),6(11),7,9-hexaen-13-yn-16-yl]oxy]-2,4-dihydroxyphenyl]-5,7-dihydroxy-4-pentyldecan-3-one ?
user
C40H53N4O7+
assistant