Using O=C1CCCC1, COC(=O)c1cc(C(F)(F)F)cc(N)c1C to produce COC(=O)c1cc(C(F)(F)F)cc(NC2CCCC2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.