Using CC(=O)NC(=N)N, CCOC(=S)C1CCCN1C(=O)OCc1ccccc1 to produce CC(=O)N=C(N)NC(=S)C1CCCN1C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.