Using COc1ccc2c(n1)-c1c(C)noc1CN=C2c1ccc(Cl)cc1, O=P(Cl)(Cl)Cl to produce Cc1noc2c1-c1nc(Cl)ccc1C(c1ccc(Cl)cc1)=NC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.