Using O=P(Cl)(Cl)Oc1ccccc1, CCOC(=O)c1c[nH]c(=O)c2ccn(Cc3ccc(OC)cc3)c12 to produce CCOC(=O)c1cnc(Cl)c2ccn(Cc3ccc(OC)cc3)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.