Using COc1ccc(CNc2ccc3c(c2)ncn3C(=O)OC(C)(C)C)cc1, BrCCCc1ccccc1 to produce COc1ccc(CN(CCCc2ccccc2)c2ccc3nc[nH]c3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.