Using Oc1cc(C(Cl)=C(Cl)Cl)cc(C(Cl)=C(Cl)Cl)c1, O=C(CCl)NCO to produce O=C(CCl)NCc1c(O)cc(C(Cl)=C(Cl)Cl)cc1C(Cl)=C(Cl)Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.