Using CS(=O)(=O)N(CCCl)CCCl, COC(=O)[C@H](N)CNC(=O)OC(C)(C)C to produce COC(=O)[C@@H](CNC(=O)OC(C)(C)C)N1CCN(S(C)(=O)=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.