Using CC(C)(C)OC(=O)NCC(=O)c1ccccc1, NNC(N)=S to produce CC(C)(C)OC(=O)NCC(=NNC(N)=S)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.