Using ClCCl, CCOC(=O)c1cnn(Cc2ccc3c(c2)C[C@@H](NC(=O)OCc2ccccc2)C3)c1C(F)(F)F to produce CCOC(=O)c1cnn(Cc2ccc3c(c2)C[C@@H](N)C3)c1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.