Using Oc1c(Cl)cccc1Cl, O=C1c2ccccc2C(=O)N1CCCBr to produce O=C1c2ccccc2C(=O)N1CCCOc1c(Cl)cccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.