Using CC(=O)OCCBr, Cc1c(C(=O)Nc2ccc(N3CCCNCC3)c(C#N)c2)cnn1-c1ccc(F)cc1 to produce Cc1c(C(=O)Nc2ccc(N3CCCN(CCO)CC3)c(C#N)c2)cnn1-c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.