Using O=S(=O)(Cl)Cl, COC(=O)[C@@H]1C=C2c3cccc4c3C(CN4)C[C@H]2N(C)C1 to produce COC(=O)[C@@H]1C=C2c3cccc4c3C(C[C@H]2N(C)C1)C(Cl)N4, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.