Using CCOC(=O)CBr, CCOC(=O)c1[nH]c2ccccc2c1Nc1ccncc1 to produce CCOC(=O)Cn1c(C(=O)OCC)c(Nc2ccncc2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.