Using CCOC(=O)c1c(-c2ccc(Nc3nc4ccc(F)cc4s3)cc2)noc1-c1ccccc1 to produce O=C(O)c1c(-c2ccc(Nc3nc4ccc(F)cc4s3)cc2)noc1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.