Using C=CCNC(=O)C1c2ccccc2CN1C(=O)c1cc(Cl)c(OCOC)cc1OCOC to produce C=CCNC(=O)C1c2ccccc2CN1C(=O)c1cc(Cl)c(O)cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.