Using O=C(N[C@@H]1CCCN2c3c(ccc(Cl)c3Cl)Oc3ccccc3[C@H]12)C(F)(F)F, O=C([O-])[O-] to produce COCCN[C@@H]1CCCN2c3c(ccc(Cl)c3Cl)Oc3ccccc3[C@H]12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.