Using O=C(Cc1nc(N2CCOCC2)cc(=O)[nH]1)Nc1ccc(Br)cc1O to produce O=c1cc(N2CCOCC2)nc(Cc2nc3ccc(Br)cc3o2)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.