Using CN1CCN(c2ccc(C(=O)OC(C)(C)C)c(N)c2)CC1, CN1CCCCC1=O to produce CN1CCC(Nc2cc(N3CCN(C)CC3)ccc2C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.