Using O=C(O)c1cccc2cc[nH]c12, Fc1ccc(C2CCN(CC3CNCC3C(F)(F)F)CC2)cc1 to produce O=C(c1cccc2cc[nH]c12)N1CC(CN2CCC(c3ccc(F)cc3)CC2)C(C(F)(F)F)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.