Using COC(OC)C(=O)C=CN(C)C, CS(=O)(=O)c1ccc(NN)cc1 to produce CS(=O)(=O)c1ccc(-n2nccc2C=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.