Using CCOC(=O)c1cnn(-c2nc3cc(-c4ccncc4F)c(-c4cccnc4)nc3[nH]2)c1 to produce O=C(O)c1cnn(-c2nc3cc(-c4ccncc4F)c(-c4cccnc4)nc3[nH]2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.