Using CS(=O)(=O)c1ccc(Oc2ncnc3[nH]ncc23)cc1, CC(C)(C)OC(=O)N1CCCC(O)C1 to produce CC(C)(C)OC(=O)N1CCCC(n2ncc3c(Oc4ccc(S(C)(=O)=O)cc4)ncnc32)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.