Using O=P(Cl)(Cl)Cl, COC(=O)C1C(=O)ON=C1c1ccc(Cl)cc1 to produce COC(=O)c1c(-c2ccc(Cl)cc2)noc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.