Using CCCOc1nc(Cc2ccc(Cl)cc2)nc2oc(-c3cc(C)c(O)c(C)c3)nc12, CC(C)(C)OC(=O)CBr to produce CCCOc1nc(Cc2ccc(Cl)cc2)nc2oc(-c3cc(C)c(OCC(=O)OC(C)(C)C)c(C)c3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.