Using CC(=O)CCn1cnc2[nH]c(=O)n(CC3CC3)c(=O)c21, BrCC1CCCCC1 to produce CC(=O)CCn1cnc2c1c(=O)n(CC1CC1)c(=O)n2CC1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.