Using O=P(Cl)(Cl)Cl, CCOC(=O)c1c([N+](=O)[O-])c(-c2ccc(OC)cc2)[nH]c(=O)c1C(=O)OCC to produce CCOC(=O)c1c(Cl)nc(-c2ccc(OC)cc2)c([N+](=O)[O-])c1C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.