Using C[C@H]1CCc2c(ccc(-n3nccn3)c2O)N1C(=O)C1CC1, BrC1CCC1 to produce C[C@H]1CCc2c(ccc(-n3nccn3)c2OC2CCC2)N1C(=O)C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.