Using CC1(C)CCC(C)(C)c2cc(I)c(O)cc21, COC(=O)c1csc(C(=O)CBr)c1 to produce COC(=O)c1csc(C(=O)COc2cc3c(cc2I)C(C)(C)CCC3(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.