Using CN(C)c1ccc([C@H]2CN(C(=O)OC(C)(C)C)CCN2C(=O)OC(C)(C)C)cc1 to produce CN(C)c1ccc([C@H]2CNCCN2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.