Using CC(C)(C)OC(=O)Nc1ccc(Cl)c(Br)n1, COC1(COS(=O)(=O)c2ccc(C)cc2)CCOCC1 to produce COC1(CN(C(=O)OC(C)(C)C)c2ccc(Cl)c(Br)n2)CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.