Using CS(=O)c1ncc(C(N)=O)c(NC(C)(C)C2CC2)n1, CSc1ncc(C(N)=O)c(NC(C)(C)C2CC2)n1 to produce CC(C)(Nc1nc(S(C)(=O)=O)ncc1C(N)=O)C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.