Using CCCCc1nc(Cl)c(C=O)n1Cc1ccc(C(=O)OC)c(OCOC)c1 to produce CCCCc1ncc(C=O)n1Cc1ccc(C(=O)OC)c(OCOC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.