Using O=C(COCC(=O)Nc1ccc(Cl)cc1C(=O)O)Nc1cccc(Br)c1, OB(O)c1cccnc1 to produce O=C(COCC(=O)Nc1ccc(Cl)cc1C(=O)O)Nc1cccc(-c2cccnc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.