Using O=C1CCCC2=C1C(c1cccc(C(F)(F)F)c1)C1=C(CCCC1=O)N2 to produce O=C1CCCC2=C1C(c1cccc(C(F)(F)F)c1)C1=C(CCCC1)N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.