Using CCOC(=O)CBr, COc1cc2[nH]c3c(c2cc1OC)CC(OC(=O)c1ccccc1)CC3 to produce CCOC(=O)Cn1c2c(c3cc(OC)c(OC)cc31)CC(OC(=O)c1ccccc1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.