Using COC(=O)c1cc(C(=O)c2c(C)c(O)c3ccccn23)ccc1N, COCCBr to produce COCCOc1c(C)c(C(=O)c2ccc(N)c(C(=O)OC)c2)n2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.