Using O=C(CCl)N1CCC2(CC1)CCN(c1ccc(OC(F)(F)F)cc1)C2=O, OC1CCCC1 to produce O=C(COC1CCCC1)N1CCC2(CC1)CCN(c1ccc(OC(F)(F)F)cc1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.