Using CCC(O)c1cc(C(=O)OC)c(NC(C)=O)cc1C(F)(F)F to produce CCC(=O)c1cc(C(=O)OC)c(NC(C)=O)cc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.