Using OCc1nc(Br)cs1, Cc1c2cc(-n3ccc(O)cc3=O)ccc2nn1C to produce Cc1c2cc(-n3ccc(OCc4nc(Br)cs4)cc3=O)ccc2nn1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.