Using COc1ccc(N=Nc2c(S(=O)(=O)OC(C)C)cc3cc(NC(=O)c4ccccc4)ccc3c2O)cc1 to produce COc1ccc(N=Nc2c(S(=O)(=O)O)cc3cc(NC(=O)c4ccccc4)ccc3c2O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.