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 (2R,3R)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid;(2S,3R)-2-amino-3-(3,4-dimethylphenyl)-3-hydroxypropanoic acid;[(1S,2R)-1-carboxy-2-(3,4-dimethylphenyl)-2-hydroxyethyl]azanium;3,4-dimethylbenzaldehyde;ethanol;chloride .
user
C42H58ClN3O13
assistant