Using O=P(Cl)(Cl)Cl, O=c1[nH]cnc2oc(-c3ccccc3)c(-c3ccccc3)c12 to produce Clc1ncnc2oc(-c3ccccc3)c(-c3ccccc3)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.