Using COC(=O)COc1cn(S(=O)(=O)c2ccc(OC)cc2)c2ccc(Br)cc12 to produce COc1ccc(S(=O)(=O)n2cc(OCC(=O)O)c3cc(Br)ccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.