Using O=C1N(c2ccnc(Cl)c2)CCN1c1cnccc1C1CC1, OB(O)C1CC1 to produce O=C1N(c2ccnc(C3CC3)c2)CCN1c1cnccc1C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.