Using COc1ccccc1S, CN1CCN(c2ccc(Nc3ncc4ccc(Br)n4n3)cc2)CC1 to produce COc1ccccc1Sc1ccc2cnc(Nc3ccc(N4CCN(C)CC4)cc3)nn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.