Using COC(=O)/C=C/c1ccc2c(c1)C(=O)CC1(CCNC1)O2, BrCCc1ccccc1 to produce COC(=O)/C=C/c1ccc2c(c1)C(=O)CC1(CCN(CCc3ccccc3)C1)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.