Using NCc1ccccc1, COC(=O)Cc1cccc(Oc2ccc(Br)cc2C=O)c1 to produce COC(=O)Cc1cccc(Oc2ccc(Br)cc2CNCc2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.