Using OCC1CC1, O=C(O)c1cnc(Br)c(-c2ccc(Cl)cc2)n1 to produce O=C(O)c1cnc(OCC2CC2)c(-c2ccc(Cl)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.