Using BrC1CCCC1, COC(=O)c1ccc(Nc2nc3c(-c4cn[nH]c4)cccn3n2)cc1 to produce COC(=O)c1ccc(Nc2nc3c(-c4cnn(C5CCCC5)c4)cccn3n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.