Using CS(=O)(=O)Cl, COC(=O)[C@@H]1CC[C@H](C(=O)OC)NC1 to produce COC(=O)C1CCC(C(=O)OC)N(S(C)(=O)=O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.