Using CCOCCl, CCOC(=O)c1[nH]c(C)c(C(=O)OCC)c1-c1ccccc1 to produce CCOCn1c(C)c(C(=O)OCC)c(-c2ccccc2)c1C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.