You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-5-(diaminomethylideneamino)-2-[(4-methoxy-2,3,6-trimethylphenyl)sulfonylamino]pentanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H26N4O5S
assistant