Using COc1cc2ncnc(Nc3ccc(OCc4ccccn4)c(Cl)c3)c2cc1O, CC(C)(C)OC(=O)NCCCBr to produce COc1cc2ncnc(Nc3ccc(OCc4ccccn4)c(Cl)c3)c2cc1OCCCNC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.