Using O=c1cc(CCBr)c2ccccc2[nH]1, c1ccc2c(C3CCNCC3)c[nH]c2c1 to produce O=c1cc(CCN2CCC(c3c[nH]c4ccccc34)CC2)c2ccccc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.