Using CN(CC=O)C(=O)OC(C)(C)C, Clc1nccnc1N1CCNCC1 to produce CN(CCN1CCN(c2nccnc2Cl)CC1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.