Using CN(c1nc(Cl)ncc1Cl)C1COC2C(O)COC21, Cn1cc(N)cn1 to produce CN(c1nc(Nc2cnn(C)c2)ncc1Cl)C1COC2C(O)COC21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.