Using Cc1nnc(CNC(=O)CN2C(=O)c3ccccc3C2=O)n1-c1ccc(Cl)cc1C(=O)c1ccccc1 to produce Cc1nnc(CNC(=O)CN)n1-c1ccc(Cl)cc1C(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.