Using CC(C)Cn1c(S)cc(=O)n(C)c1=O, COC(=O)C(=O)C(C)Br to produce COC(=O)c1c(C)sc2c1c(=O)n(C)c(=O)n2CC(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.