Using O=C1CCC(c2ccccc2F)(c2ccccc2F)C2CN(Cc3ccccc3)CC12 to produce O=C1CCC(c2ccccc2F)(c2ccccc2F)C2CNCC12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.