Using O=C(n1ccnc1)n1ccnc1, O=C(O)CC(c1ccc(Cl)cc1)c1ccc(Br)cc1 to produce NC(=O)CC(c1ccc(Cl)cc1)c1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.