Using CC(=O)O[C@H]1CC[C@H](c2ncc3c(C)nccn32)CC1, O=C1CCC(=O)N1Br to produce CC(=O)O[C@H]1CC[C@H](c2nc(Br)c3c(C)nccn32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.