Using O=C(CBr)OCc1ccccc1, O=C1N[C@H](c2ccccc2)CCNC12CCCC2 to produce O=C(CN1C(=O)C2(CCCC2)NCC[C@H]1c1ccccc1)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.