Using Brc1ccc2[nH]ccc2c1, O=C(CCc1ccccc1)n1nnc2ccccc21 to produce O=C(CCc1ccccc1)c1c[nH]c2ccc(Br)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.