Using Cc1n[nH]c(=O)cc1-c1ccc(OC2CCN(C(=O)OC(C)(C)C)CC2)cc1 to produce Cc1n[nH]c(=O)cc1-c1ccc(OC2CCNCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.