Using OB(O)c1ccc2[nH]ccc2c1, CC1(C)COc2c(nc(Cl)nc2N2CCOCC2)O1 to produce CC1(C)COc2c(nc(-c3ccc4[nH]ccc4c3)nc2N2CCOCC2)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.