Using CCOC(=O)CSc1nc(Cl)cc(NCc2ccc(Cl)cc2)n1, NN to produce NNC(=O)CSc1nc(Cl)cc(NCc2ccc(Cl)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.