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   _____   _    _     _____     ______    ______  
  / ___// | || | ||  |__  //   /_   _//  /_____// 
  \___ \\ | || | ||    / //     -| ||-   `____ `  
  /    // | \\_/ ||   / //__    _| ||_   /___//   
 /____//   \____//   /_____||  /_____//  `__ `    
`-----`     `---`    `-----`   `-----`   /_//     
                                         `-`

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Text this: A thioethylalkylamido (TEA) thioester surrogate in the synthesis of a cyclic peptide via a tandem acyl shift