Using CCC(=O)N(c1ccccc1)[C@H]1CCNC[C@H]1OC, BrCCc1ccccc1 to produce CCC(=O)N(c1ccccc1)[C@H]1CCN(C(C)c2ccccc2)C[C@H]1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.