Using O=C(O)C(F)(F)F, O=C(OC1c2ccccc2C(=O)N1c1ccc2ccc(Cl)nc2n1)N1CCNCC1 to produce O=C(OC1c2ccccc2C(=O)N1c1ccc2ccc(Cl)nc2n1)N1CCN(C(=O)C(F)(F)F)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.