Using CCOC(=O)[C@@H]1CCCNC1, COCOc1ccc2c(c1)OCC(C=O)=C2 to produce CCOC(=O)[C@@H]1CCCN(CC2=Cc3ccc(OCOC)cc3OC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.