Using CI, O=C1Nc2cnc(Cl)nc2N(C2CCCCC2)CC12CC2 to produce CN1C(=O)C2(CC2)CN(C2CCCCC2)c2nc(Cl)ncc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.