Using CCOC(=O)CN(CC(=O)OCC)c1ccc(OC)cc1, CCOC(=O)C(=O)OCC to produce CCOC(=O)c1c(O)c(O)c(C(=O)OCC)n1-c1ccc(OC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.