Using CCCCCC(=O)c1c[nH]c2c(OC)cccc2c1=O, O=P(Cl)(Cl)Cl to produce CCCCCC(=O)c1cnc2c(OC)cccc2c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.