Using O=C(O)c1cnc(-c2cccnn2)nc1O, COc1ccc(C(N)c2ccc([PH](=O)O)cc2)cc1 to produce COc1ccc(C(NC(=O)c2cnc(-c3cccnn3)nc2O)c2ccc([PH](=O)O)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.