Using CC(=O)[O-], O=C1OC(CCl)CN1c1ccc(SC(F)(F)F)cc1 to produce CSc1ccc(N2CC(COC(C)=O)OC2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.