Using CC(NC(=O)c1ccc2nn(CCC3CCN(C(=O)OCc4ccccc4)CC3)c(=O)n2c1)C(=O)O to produce CC(NC(=O)c1ccc2nn(CCC3CCNCC3)c(=O)n2c1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.