You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethane;3-(3-iodophenyl)-2,2-dimethyl-3H-imidazo[2,1-b][1,3]thiazole-5-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H19IN2O2S
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