Using CCOC(=O)[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]1CNC(C)C, COCCCOc1cc(C(=O)O)ccc1OC to produce CCOC(=O)[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]1CN(C(=O)c1ccc(OC)c(OCCCOC)c1)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.