Using CCCCN1N=C(c2c(C)[nH]c3ccccc23)C2CC=CCC2C1=O, CC(C)(C)OC(=O)CBr to produce CCCCN1N=C(c2c(C)n(CC(=O)O)c3ccccc23)C2CC=CCC2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.