Using COc1ccccc1-n1c(S)nc2cc(C)ccc2c1=O, CC(C)Br to produce COc1ccccc1-n1c(SC(C)C)nc2cc(C)ccc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.