Original sentence: trans-2-phenylcyclopropaecarboxylic acid is reacted with thionyl chloride (SOCl2) to form 2-phenylcyclopropanecarbonyl chloride
Edited sentence: trans-2-phenylcyclopropanecarboxylic acid is reacted with thionyl chloride (SOCl2) to form 2-phenylcyclopropanecarbonyl chloride