Using CC(=O)OC(C)=O, NCCCn1c(-c2ccc(Br)cc2)csc1=Nc1ccccc1 to produce CC(=O)NCCCn1c(-c2ccc(Br)cc2)csc1=Nc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.