Using CC(=O)Oc1ccc2cc(NCCCCNC(=O)OC(C)(C)C)c(=O)oc2c1 to produce CC(=O)Oc1ccc2cc(NCCCCN)c(=O)oc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.