Using CC(Cl)Cl, CC(=O)c1cc(OCc2ccccc2)cc2c1OCC(=O)N2 to produce O=C1COc2c(cc(OCc3ccccc3)cc2C(=O)CCl)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.