Using N=C(N)N1CCC(CCC(=O)O)CC1, O=S(Oc1ccc(Cl)cc1)Oc1ccc(Cl)cc1 to produce N=C(N)N1CCC(CCC(=O)Oc2ccc(Cl)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.