Using CCOC(=O)CBr, COc1ccc2c(C(=O)c3cc(OC)c(OC)c(OC)c3)c(-c3cn[nH]c3)oc2c1 to produce CCOC(=O)Cn1cc(-c2oc3cc(OC)ccc3c2C(=O)c2cc(OC)c(OC)c(OC)c2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.