Using CCOCCl, COc1ccc2[nH]c(C(N)=O)c(OC(C)C)c2c1 to produce CCOCn1c(C(N)=O)c(OC(C)C)c2cc(OC)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.