Using CON1CCNNCC1, CCOC(=O)C(C(=O)OCC)c1c(C)cc(C)cc1C to produce CON1CCN2C(=O)C(c3c(C)cc(C)cc3C)C(=O)N2CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.