Using CN(CC(CC12CCC(CC1)CC2)NC(=O)OCc1ccccc1)C(=O)OC(C)(C)C to produce CN(CC(N)CC12CCC(CC1)CC2)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.