Using Cc1nc(-c2cn3c(n2)-c2ccc(O)cc2OCC3)n(C(C)C)n1, CC(O)c1ccncc1F to produce Cc1nc(-c2cn3c(n2)-c2ccc(OC(C)c4ccncc4F)cc2OCC3)n(C(C)C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.