Using O=C1CCc2cc(Br)cnc2N1, C=CC(=O)N(C)CC1=C(C)c2ccccc2C1 to produce CC1=C(CN(C)C(=O)/C=C/c2cnc3c(c2)CCC(=O)N3)Cc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.