Using NC1CC1, CN(CCc1ccc(Cl)c(C=O)c1)C(=O)OC(C)(C)C to produce CN(CCc1ccc(Cl)c(CNC2CC2)c1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.