Using CI, CC(C)(C)OC(=O)N1CCN(c2ccc3[nH]ncc3c2)CC1 to produce Cn1ncc2cc(N3CCN(C(=O)OC(C)(C)C)CC3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.