Using Nc1ccccc1N, COc1cc2c(c(Br)c1OC)CN(Cc1ccc(C(=O)O)cc1)C2=O to produce COc1cc2c(c(Br)c1OC)CN(Cc1ccc(C(=O)Nc3ccccc3N)cc1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.