Using CCOC(=O)Cl, O=C1Nc2ccccc2C12COc1cc3c(cc12)OCCO3 to produce CCOC(=O)N1C(=O)C2(COc3cc4c(cc32)OCCO4)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.