Using NCc1ccc(Cl)cc1Cl, CNc1nc(N2CCC(C(=O)O)CC2)nc(N2CCN(C)CC2)n1 to produce CNc1nc(N2CCC(C(=O)NCc3ccc(Cl)cc3Cl)CC2)nc(N2CCN(C)CC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.