Using CCOC(=O)CBr, CC(C)(C)OC(=O)N1CCN(c2ccc(O)c(C=O)c2)CC1 to produce CCOC(=O)c1cc2cc(N3CCN(C(=O)OC(C)(C)C)CC3)ccc2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.