Using O=C(c1ccc(F)cc1)C1CCNCC1, COc1c(C(=O)CBr)ccc2ccccc12 to produce COc1c(C(=O)CN2CCC(C(=O)c3ccc(F)cc3)CC2)ccc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.