Using CCOC(=O)CC(C(=O)c1ccc(SC)cc1)c1ccc(Cl)cc1, NN to produce CSc1ccc(C2=NNC(=O)CC2c2ccc(Cl)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.