Using CSC1=NCCN1, O=c1oc(=O)n(-c2ccc(F)cc2)c2ccccc12 to produce O=C1c2ccccc2N(c2ccc(F)cc2)C2=NCCN12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.