Using COC(=O)c1ccccc1S(=O)(=O)NC(=O)NN1N=C(OC)C=C(C)N1, CS to produce COC1=NN(NC(=O)NS(=O)(=O)c2ccccc2C(=O)SC)NC(C)=C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.