Using Cc1cc(C=O)cc2c1C(=O)N(Cc1ccc(OC(F)(F)F)cc1)C2, C1COCCN1 to produce Cc1cc(CN2CCOCC2)cc2c1C(=O)N(Cc1ccc(OC(F)(F)F)cc1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.