Using CCOC(=O)c1ccc(C(=O)c2sc(Nc3ccc(S(N)(=O)=O)cc3)nc2N)cc1 to produce Nc1nc(Nc2ccc(S(N)(=O)=O)cc2)sc1C(=O)c1ccc(C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.