You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 8-chloro-2-(4-chlorophenyl)-3-(thiophen-3-ylmethyl)-6-(trifluoromethyl)imidazo[1,2-a]pyridine ?
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C19H11Cl2F3N2S
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