Using CC(=O)O, CC(C)(C)OC(=O)N1CCN(c2ccccc2OC2CNC2)CC1 to produce CN1CC(Oc2ccccc2N2CCN(C(=O)OC(C)(C)C)CC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.