Using [NH4+], Brc1ccc(-c2ccc(Br)cc2)cc1 to produce c1ccc2c(c1)c1ccccc1n2-c1ccc(-c2ccc(-n3c4ccccc4c4ccccc43)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.