Using CCOC(=O)CBr, O=c1[nH]c2c(Oc3ccccc3)cccc2s1 to produce CCOC(=O)Cn1c(=O)sc2cccc(Oc3ccccc3)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.