Using CC(=O)OC(C)=O, CC(=O)S[C@@H]1CO[C@@H](CN(OCc2ccccc2)C(=O)OCC(Cl)(Cl)Cl)C1 to produce CC(=O)S[C@@H]1CO[C@@H](CN(OCc2ccccc2)C(C)=O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.