Using COc1cc2c(cc1Br)ncn2Cc1ccc2nc(N[C@@H]3CCCC[C@H]3O)sc2c1 to produce COc1ccc2ncn(Cc3ccc4nc(N[C@@H]5CCCC[C@H]5O)sc4c3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.