Using CCOC(=O)C(Cc1ccc(NC/C=C/c2ccc(OS(C)(=O)=O)cc2)cc1)OCC to produce CCOC(Cc1ccc(NC/C=C/c2ccc(OS(C)(=O)=O)cc2)cc1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.