Using CCOC(=O)CBr, COc1ccc(N)c(NC2COC(C)(C)OC2)n1 to produce CCOC(=O)CNc1ccc(OC)nc1NC1COC(C)(C)OC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.