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 3-(2,4-dichloro-6-methylphenyl)-4-hydroxy-8-methoxy-8-methyl-1-azaspiro[4.5]dec-3-en-2-one;formic acid ?
user
C19H23Cl2NO5
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