Using Cn1nc(Cl)cc(Cl)c1=O, Nc1ccc(C(=O)N2CCOCC2)cn1 to produce Cn1nc(Cl)cc(Nc2ccc(C(=O)N3CCOCC3)cn2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.