Using CC(C)(C)OC(=O)N1CSC[C@H]1C(=O)O, CC(C)(C)OC(=O)NCC(N)=O to produce CC(C)(C)OC(=O)N1CSC[C@H]1C(=O)NCC(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.