Using COC(=O)c1cc(S(N)(=O)=O)ccc1OCc1ccc(OC)cc1 to produce COc1ccc(COc2ccc(S(N)(=O)=O)cc2C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.