Using O=C(OCc1ccccc1)c1cc2ccccc2[nH]1, CCOC(=O)CCCCCBr to produce CCOC(=O)CCCCCn1c(C(=O)OCc2ccccc2)cc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.