Using CNCCNC, COc1ccc(N(C)c2nc(Cl)nc3ccccc23)cc1 to produce CNCCN(C)c1nc(N(C)c2ccc(OC)cc2)c2ccccc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.