Using CC(=O)OCCOCBr, Clc1nc2c(Cl)c(Cl)c(Cl)c(Cl)c2[nH]1 to produce CC(=O)OCCOCn1c(Cl)nc2c(Cl)c(Cl)c(Cl)c(Cl)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.