Using COCOc1ccc(C2(C)CSc3cc(OCOC)ccc3C2c2ccc(O)cc2)cc1, ClCCBr to produce COCOc1ccc(C2(C)CSc3cc(OCOC)ccc3C2c2ccc(OCCCl)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.