Using C=CCc1c(O)ccc2c(CCc3nc(-c4ccc(Cl)cc4Cl)oc3C(C)C)noc12, CCOC(=O)C(C)(C)Br to produce C=CCc1c(OC(C)(C)C(=O)OCC)ccc2c(CCc3nc(-c4ccc(Cl)cc4Cl)oc3C(C)C)noc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.