Using CCOC(=O)c1cc2cc(OCCOC)cc(NS(=O)(=O)c3ccccn3)c2[nH]1 to produce COCCOc1cc(NS(=O)(=O)c2ccccn2)c2[nH]c(C(=O)O)cc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.