Using COC(=O)c1cc(Br)cc2c(C3CCS(=O)(=O)C3)cn(C(=O)OC(C)(C)C)c12 to produce O=C(O)c1cc(Br)cc2c(C3CCS(=O)(=O)C3)c[nH]c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.